Sandes is an open source based indigenous instant messaging platform developed by NIC, Ministry of Electronics and Information Technology, Government of India to facilitate instant messaging communication in Government organisations. It is hosted exclusively at Government infrastructure. It supports end to end encrypted messaging and encrypted backup and encrypted OTP service. Its privacy and data policy is governed by rules and regulations of the Government of India. Sandes can be integrated with other Government communications systems for sending encrypted messages without any cost. Currently Sandes is integrated with NIC email, DigiLocker and e-office. At present, full features of Sandes app are available only to the Government verified users. Employees of Government organisation need to contact the Nodal officer of their Ministry/ Department for verification. For information about Nodal officers write to us at support-sandes[at]nic[dot]in