[DES Seminar] Dr. Emily Stevenson (Cambridge University)
Time:
3 p.m. - 4 p.m.
Venue:
Asima Theatre
Description:
[Institute Colloquium] Prof. M. Lakshmanan (F.N.A., FTWAS, Professor of Eminence & DST-SERB Distinguished Fellow, Centre for Nonlinear Dynamics, School of Physics, Bharathidasan University) -- Nonlinear PT- Symmetric Systems and Some of their Implications in Optics.
Time:
3 p.m. - 4 p.m.
Venue:
102, APC Ray
Description:
[DES Seminar] Dr. Madeleine Bohlin (Cambridge University)
[DBS Seminar] Dr. Mrityunjay Kar (Max Planck Institute of Molecular Cell Biology and Genetics,Germany) -- Highly dilute uncharged polymers act as chemical RNA chaperones
Time:
11:45 a.m. - 1 p.m.
Venue:
102, APC Ray
Description:
[Extra class] Prof. S. Pal (Iiiser)
Time:
noon - 4 p.m.
Venue:
Asima Theatre
Description:
[CESSI Colloquium] Saikat Chatterjee (KTH-Royal Institute of Technology, Sweden) -- Machine Learning and Artificial Intelligence
Time:
1 p.m. - 2:30 p.m.
Venue:
103, APC Ray
Description:
Hindi Class for Staff Training
Time:
2 p.m. - 5 p.m.
Venue:
G01, APC Ray
Description:
PH4206 Class Test
Time:
3 p.m. - 4 p.m.
Venue:
G09, APC Ray
Description:
[DMS Seminar] Dr. Soumalya Joardar (JNCASR, Bangalore) -- Invariance of KMS states on graph C*-algebras under classical and quantum symmetry
Time:
3:45 p.m. - 4:45 p.m.
Venue:
110, APC Ray
Description:
LS4207 quiz
Time:
4 p.m. - 6 p.m.
Venue:
111, APC Ray
Description:
Class for MA4206
Time:
4 p.m. - 7 p.m.
Venue:
113, AJC Bose
Description:
[group meeting] Dr. Rumi De
Time:
4 p.m. - 5 p.m.
Venue:
Asima Theatre
Description:
DBS Interaction session
Time:
4:30 p.m. - 6 p.m.
Venue:
G08, APC Ray
Description:
[Showing LS4201 answer sheet] Rituparna Sinha Roy (DBS)
Time:
4:30 p.m. - 6:15 p.m.
Venue:
Ramanujan VC
Description:
Biology laboratory - II Quiz
Time:
4:45 p.m. - 5:45 p.m.
Venue:
G02, APC Ray
Description:
Biology laboratory - II Quiz
Time:
4:45 p.m. - 5:45 p.m.
Venue:
110, APC Ray
Description:
Biology laboratory - II Quiz
Time:
4:45 p.m. - 5:45 p.m.
Venue:
Wadia Theatre
Description:
Biology laboratory - II Quiz
Time:
6 p.m. - 8 p.m.
Venue:
Wadia Theatre
Description:
[CH2202 tutorial] SDS
Time:
6 p.m. - 8 p.m.
Venue:
G09, APC Ray
Description:
Graduate seminar meeting
Time:
10 a.m. - noon
Venue:
G02, APC Ray
Description:
Lab quiz
Time:
10 a.m. - 6 p.m.
Venue:
113, AJC Bose
Description:
[lab meeting] Prof. Nirmalya Ghosh
Time:
11 a.m. - 1 p.m.
Venue:
G09, APC Ray
Description:
Seminar on plurisubharmonic functions
Time:
11 a.m. - noon
Venue:
101, CV Raman
Description:
DMS Faculty Meeting
Time:
2 p.m. - 7 p.m.
Venue:
G09, APC Ray
Description:
[presentation] Koel Das
Time:
2:30 p.m. - 4:30 p.m.
Venue:
Bose Theatre
Description:
End semester exam of the lab course LS2203
Time:
3 p.m. - 5 p.m.
Venue:
101, CV Raman
Description:
IWD&HK committee meeting
Time:
3:45 p.m. - 5:45 p.m.
Venue:
Asima Theatre
Description:
[Pre-submission seminar] Mr. Sagar Ganguli (IISER Kolkata)
Time:
4 p.m. - 5 p.m.
Venue:
111, APC Ray
Description:
Seminar on singularities
Time:
4:30 p.m. - 6 p.m.
Venue:
G08, APC Ray
Description:
[PhD Viva Voce] Spriha Kumari (DPS, IISER Kolkata) -- Study of Electronic Structure of 3d and 5d Transition Metal Compounds
Time:
6 p.m. - 8:30 p.m.
Venue:
G08, APC Ray
Description:
[SDS meeting] sds
Time:
6 p.m. - 7 p.m.
Venue:
G02, APC Ray
Description:
An extra revision class
Time:
7 p.m. - 8 p.m.
Venue:
G02, APC Ray
Description:
CH3202 class test
Description:
Lab: End - Semester Exam ends
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
9:15 a.m. - noon
Venue:
Wadia Theatre
Description:
End Sem Exam of CH4204
Time:
10 a.m. - 1 p.m.
Venue:
Computer Lab
Description:
[Stat Lab Exam] Satyaki -- Stat Lab exam
Time:
10 a.m. - noon
Venue:
113, AJC Bose
Description:
[Housekeeping tender opening Meeting] Prof. Bipul Pal
Time:
11 a.m. - 3 p.m.
Venue:
108, APC Ray
Description:
[Interview for Project Position] Rituparna Sinha Roy (DBS)
Time:
noon - 1 p.m.
Venue:
G08, APC Ray
Description:
Quiz of LS4202
Time:
2:30 p.m. - 4 p.m.
Venue:
G01, APC Ray
Description:
DMS Faculty and student meeting
Time:
4 p.m. - 6 p.m.
Venue:
G09, APC Ray
Description:
Suresh Lab Group Meeting
Time:
5:30 p.m. - 8 p.m.
Venue:
G02, APC Ray
Description:
PhD Application Guidance
Time:
6 p.m. - 7 p.m.
Venue:
Bose Theatre
Description:
Quiz for the course CH1202
Time:
6 p.m. - 6 a.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
6 p.m. - 7:30 p.m.
Venue:
G08, APC Ray
Description:
Ch1202 exam
Time:
7 p.m. - 8 p.m.
Venue:
Bose Theatre
Description:
Quiz for the course CH2202
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
9:15 a.m. - 1:15 p.m.
Venue:
112, APC Ray
Description:
AM lab group meeting
Time:
1:45 p.m. - 4:30 p.m.
Venue:
Ramanujan VC
Description:
End Sem Exam of PH4205
Time:
2 p.m. - 4 p.m.
Venue:
112, APC Ray
Description:
Group meeting of Dr. Prasun Mandal
Time:
2 p.m. - 4 p.m.
Venue:
G09, APC Ray
Description:
[Group meeting-Ratheesh] ratheesh
Time:
6 p.m. - 6 a.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
212, APC Ray
Description:
Study Room
Description:
Theory: End-Semester Exam - all students starts
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
9 a.m. - 11 a.m.
Venue:
111, APC Ray
Description:
Class for MA4206
Time:
11 a.m. - 1 p.m.
Venue:
101, CV Raman
Description:
IWD Meeting
Time:
11:30 a.m. - 12:30 p.m.
Venue:
G02, APC Ray
Description:
[Answer Script of CH4204] Rahul Banerjee (Associate Professor) -- Answer Script of CH4204
Time:
3 p.m. - 5 p.m.
Venue:
G09, APC Ray
Description:
Seminar on Algebraic & Differential Topology
Time:
4 p.m. - 5 p.m.
Venue:
101, CV Raman
Description:
DMS meeting
Time:
6 p.m. - 6 a.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of CH1201/CH4207/MA4207
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Wadia Theatre
Description:
End Sem Exam of CH1201
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Ramanujan VC
Description:
End Sem Exam of CH1201
Time:
9:45 a.m. - 12:45 p.m.
Venue:
G02, APC Ray
Description:
LS3203 end sem exam
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Computer Lab
Description:
End Sem Exam of MA4207
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of CH2202
Time:
1:45 p.m. - 4:45 p.m.
Venue:
G08, APC Ray
Description:
CH3203 end sem exam
Time:
2:30 p.m. - 4:30 p.m.
Venue:
101, CV Raman
Description:
Job talks
Time:
4 p.m. - 5:30 p.m.
Venue:
Asima Theatre
Description:
[Pre-submission seminar] Mr. Pradip Hota (IISER Kolkata)
Time:
4 p.m. - 5:30 p.m.
Venue:
Wadia Theatre
Description:
Pre-Submission open Seminar of Mr.Pradip Kumar Hota
Time:
6 p.m. - 6 a.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of HU1201
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Ramanujan VC
Description:
End Sem Exam of HU1202
Time:
9:45 a.m. - 12:45 p.m.
Venue:
G02, APC Ray
Description:
CH3201 end sem exam
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Wadia Theatre
Description:
End Sem Exam of PH4203
Time:
11 a.m. - 1 p.m.
Venue:
G09, APC Ray
Description:
Seminar on Algebraic & Differential Topology
Time:
1 p.m. - 2:30 p.m.
Venue:
103, APC Ray
Description:
Hindi Class for Staff Training
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of ES2201
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Wadia Theatre
Description:
PH3203 end sem exam
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Ramanujan VC
Description:
End Sem Exam of CH4202
Time:
1:45 p.m. - 4:45 p.m.
Venue:
G02, APC Ray
Description:
End Sem Exam of ID4201
Time:
2 p.m. - 4 p.m.
Venue:
G08, APC Ray
Description:
[CESSI Seminar] Dr. David Hilditch (CENTRA, Lisbon, Portugal) -- The Dual Foliation Approach & the Weak Null Condition for Free Evolution in Numerical Relativity
Time:
2:30 p.m. - 5 p.m.
Venue:
G01, APC Ray
Description:
Job Talks by DoFA office
Time:
3 p.m. - 4:30 p.m.
Venue:
101, CV Raman
Description:
DMS Faculty meeting
Time:
3 p.m. - 4:30 p.m.
Venue:
Asima Theatre
Description:
[DCS Visitor's Seminar] Dr. Obaidur Rahaman (University of Delaware) -- Making simulations more realistic: Development of ReaxFF force field for Cu2+ and Glycine
[Honorary Professor Dr. T. Ramasami's Visit] Prof. Dr. T.Ramasami (Department of Science and Technology (DST))
Time:
10:30 a.m. - 12:30 p.m.
Venue:
101, CV Raman
Description:
Job talks
Time:
11 a.m. - 2 p.m.
Venue:
113, AJC Bose
Description:
[group meeting] Prof. Nirmalya Ghosh
Time:
1 p.m. - 6 p.m.
Venue:
101, CV Raman
Description:
[Pre-proposal meeting] Neelanjana sengupta
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of MA2201/LS4204
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Wadia Theatre
Description:
CH3206/CH4205 end sem exam
Time:
1:45 p.m. - 4:45 p.m.
Venue:
G02, APC Ray
Description:
MA3204 end sem exam
Time:
2 p.m. - 3 p.m.
Venue:
113, AJC Bose
Description:
[Conference – CoOpt 2019] Prof. Ayan Banerjee
Time:
3 p.m. - 4 p.m.
Venue:
G08, APC Ray
Description:
[DPS Seminar] Dr. Amit Chakraborty (KEK, Tsukuba) -- Classification of Jets using Spectral Functions and Interpretable Deep Learning
Time:
3 p.m. - 5 p.m.
Venue:
113, AJC Bose
Description:
[MS presentations (of Pranjal, Sruthi and Anwesha)] Prof. Goutham Dev Mukherjee
Time:
5 p.m. - 7 p.m.
Venue:
113, AJC Bose
Description:
[group meeting] Prof. Bipul Pal
Time:
6 p.m. - 6 a.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
6 p.m. - 7 p.m.
Venue:
G02, APC Ray
Description:
CH4204
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of MA1202
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Wadia Theatre
Description:
End Sem Exam of MA1202
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Ramanujan VC
Description:
End Sem Exam of MA1202
Time:
10 a.m. - 2 p.m.
Venue:
101, APC Ray
Description:
MS Thesis: End-Sem Presentation (DCS)
Time:
10 a.m. - 2 p.m.
Venue:
112, APC Ray
Description:
MS Thesis: End-Sem Presentation (DCS)
Time:
10 a.m. - 2 p.m.
Venue:
102, APC Ray
Description:
MS Thesis: End-Sem Presentation (DCS)
Time:
10 a.m. - 6 p.m.
Venue:
Saha Theatre
Description:
[Honorary Professor Dr. T. Ramasami's Visit] Professor Dr. T. Ramasami (Department of Science and Technology (DST))
Time:
10 a.m. - 6 p.m.
Venue:
101, CV Raman
Description:
[Pre-proposal meeting] Neelanjana sengupta
Time:
11 a.m. - 1 p.m.
Venue:
G09, APC Ray
Description:
Seminar on Algebraic & Differential Topology
Time:
1 p.m. - 2:30 p.m.
Venue:
103, APC Ray
Description:
Hindi Class for Staff Training
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of LS2201/PH4207/MA4202
Time:
2 p.m. - 3 p.m.
Venue:
113, AJC Bose
Description:
[group meeting] Dr. Rumi De
Time:
3 p.m. - 4 p.m.
Venue:
Asima Theatre
Description:
[DBS Seminar] Dr. Sumita Chaktaborty (InSTEM, Bangalore) -- A flightless fly: what do we learn about neuronal calcium homeostasis?
Time:
3 p.m. - 4 p.m.
Venue:
G08, APC Ray
Description:
[DPS Seminar] Dr Sharvari Nadkarni-Ghosh (IIT Kanpur) -- Approximate methods to model cosmological non-linear large scale structure
Time:
4 p.m. - 6 p.m.
Venue:
111, APC Ray
Description:
Class for MA4206
Time:
4 p.m. - 5 p.m.
Venue:
101, APC Ray
Description:
CH4209 Presentation
Time:
6 p.m. - 6 a.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Ramanujan VC
Description:
MA3205 end sem exam
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Wadia Theatre
Description:
End Sem Exam of Ch4210/ES4202
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Wadia Theatre
Description:
End Sem Exam of MA3205/PH4202
Time:
10 a.m. - 6 p.m.
Venue:
Saha Theatre
Description:
[Honorary Professor Dr. T. Ramasami's Visit] Professor Dr. T. Ramasami (Department of Science and Technology (DST))
Time:
10 a.m. - 6 p.m.
Venue:
102, APC Ray
Description:
[2014 BS-MS thesis presentation] Sumana Annagiri
Time:
11 a.m. - 1 p.m.
Venue:
G09, APC Ray
Description:
Seminar on plurisubharmonic functions
Time:
11 a.m. - noon
Venue:
108, APC Ray
Description:
[DMS Seminar] Dr. Somnath Jha (IIT Kanpur) -- p^r-Selmer companion modular forms
Time:
11 a.m. - noon
Venue:
G08, APC Ray
Description:
[DPS Seminar] Dr. Chirag Kalelkar (IIT Kharagpur) -- Stress banding in compressed quasi-two-dimensional aqueous foams
Time:
11 a.m. - 12:30 p.m.
Venue:
Asima Theatre
Description:
[DCS Visitor's Seminar] Prof. Nitin Chattopadhyay (Jadavpur University) -- Tackling Efficiency and Toxicity of Drugs: Delivery and Excretion
Time:
11:30 a.m. - 1 p.m.
Venue:
101, CV Raman
Description:
Business Economics Meeting
Time:
1 p.m. - 2 p.m.
Description:
DBS talk
Time:
1 p.m. - 2 p.m.
Venue:
Asima Theatre
Description:
[DBS talk] Dr. Krishhnendu Mukherjee (University Hospital Muenster, Germany) -- Targeting host-pathogen interaction for drug discovery: insects to lead the way
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of PH2202
Time:
1:45 p.m. - 4:45 p.m.
Venue:
G02, APC Ray
Description:
End Sem Exam of LS4208
Time:
2 p.m. - 3 p.m.
Venue:
113, AJC Bose
Description:
[MS-Thesis Presentation] Dr. Rumi De
Time:
3 p.m. - 3:30 p.m.
Venue:
101, CV Raman
Description:
IWD Meeting
Time:
5 p.m. - 7 p.m.
Venue:
G09, APC Ray
Description:
Suresh Lab Group Meeting
Time:
5 p.m. - 6:30 p.m.
Venue:
Ramanujan VC
Description:
Talk under CAFM
Time:
6 p.m. - 6 a.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 p.m. - 6 a.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
7 p.m. - 8:30 p.m.
Venue:
G09, APC Ray
Description:
[To show answer script of End Sem Exam] Shirshendu
Time:
7 p.m. - 8:30 p.m.
Venue:
G08, APC Ray
Description:
[To show answer script of End Sem Exam] Shirshendu
Time:
6 a.m. - 6 p.m.
Venue:
209, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
211, APC Ray
Description:
Study Room
Time:
6 a.m. - 6 p.m.
Venue:
212, APC Ray
Description:
Study Room
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of PH1201/LS4201
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Wadia Theatre
Description:
End Sem Exam of PH1201
Time:
9:45 a.m. - 12:45 p.m.
Venue:
Ramanujan VC
Description:
End Sem Exam of PH1201/PH4208
Time:
10 a.m. - 12:30 p.m.
Venue:
G09, APC Ray
Description:
End-sem exam of independent study course of a PhD student
Time:
10:45 a.m. - 1 p.m.
Venue:
Asima Theatre
Description:
7th Convocation Sub-Committees meeting
Time:
1 p.m. - 2 p.m.
Venue:
Wadia Theatre
Description:
CH1201 Ans. Script
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Bose Theatre
Description:
End Sem Exam of LS2202
Time:
1:45 p.m. - 4:45 p.m.
Venue:
Ramanujan VC
Description:
HU3201 end sem exam
Time:
2:30 p.m. - 5:30 p.m.
Venue:
113, AJC Bose
Description:
[Group Meeting] Dr. Rumi De
Time:
3 p.m. - 6 p.m.
Venue:
G02, APC Ray
Description:
[Kamaraju's Group Meeting] Kamaraju (DPS) -- Kamaraju's Group Meeting
Time:
3 p.m. - 6 p.m.
Venue:
G02, APC Ray
Description:
[Kamaraju's Group Meeting] Kamaraju (DPS) -- Kamaraju's Group Meeting