"Hello World! Great being on Instagram. My first photo...this one from the ASEAN Summit. @Nay Pyi Taw, http://instagram.com/p/vSUOhVM_wX/," the prime minister said in a tweet.
Within minutes of Modi posting his first image on the photo and video sharing service, it was liked by over 700 people.
The account was also flooded with comments.
Modi arrived Nov 11 on a two-day visit to Myanmar.