If you want to download UMANG app just give a missed call and you will get a sms to download the UMANG app.
Dial and give a missed call to 09718397183
It will says Thank you for calling UMANG
After 1-2 minutes you will get a message for UMANG app download like below.
Hi, click on the link to download the UMANG mobile app and start accessing Government services through your smart phone. *Operator data charges may apply. www.umang.gov.in/uaw/i/v/ref – Digital India Corporation
Using UMANG app you can use more than 21531 Services from 257 departments in India.
UMANG is developed by Ministry of Electronics and Information Technology (MeitY) & National e-Governance Division (NeGD) to drive Mobile Governance development in India.