Indian Army launches its own WhatsApp-like messaging application 'SAI'

The Indian Army has developed and launched an in-house messaging application called the ‘Secure Application for Internet (SAI)’, similar to commercially available messaging applications like WhatsApp, Telegram.
This messaging application supports an end-to-end encryption messaging protocol for voice, text and video calling services for Android platform over Internet.
The application has been specially designed by the Indian Army for its personnel to facilitate secure messaging within the service and to prevent leaking of any classified information.