Government Instant Messaging System (GIMS) is a messaging platform for
Instant Communication for both Government and Public users. GIMS
platform provides a Mobile App for Instant Messaging and a Portal for
Administration and Dashboard services.
GIMS can be customized to manage the various types of messaging and
other forms of communications in different Government Organizations. GIMS
can be adapted by both Central and State Government Organizations for
intra and inter organization communication.
GIMS Mobile App can be downloaded from the Download Centre of GIMS
Portal (https://gims.gov.in). The Portal provides facilities for the onboarding
of various Government Organizations, Organization Units and Employees.
official site – https://www.gims.gov.in/dash/dlink
From there official site you can download sandes app for Android as well as for iphone phones..
This app still not come on play store & ios app.. because it yet to be launch , so download from there website to get use it instead of whatsapp..