Hi Sushant,
As per our discussion we have revised estimation sheet. We have added Group Chat, End 2 End encryption, create event from group and what we are considering in reports in Admin Panel.
Revised Estimation:
https://docs.google.com/spreadsheets/d/1crsmTVEMJr-Fiuax1eCBQhj01eDaeaJ-mumuffcOrW8/edit#gid=780064029
(478 Hrs as on 04-Apr-2019)
Revised Proposal:
[login to view URL]
Looking forward for your thoughts on estimation.
Thanks