This app was mentioned in 5 comments, with an average of 6.00 upvotes
Not sure what the original commenter uses, but i use "Garden Answers" on android. https://play.google.com/store/apps/details?id=com.teamsoa.gardenanswers
<em>Garden Answers</em> is pretty good at narrowing down a plant just from a picture. I haven’t tried it in India.