From Bsc agriculture ,Btech in engineering& in agriculture what should I choose and have interest in physics also.
Here are the old, traditional branches available on one side. On the other side, there are relatively new branches available. Along with these branches, there are some off-beat branches available too, which, due to some reasons, remain relatively unpopular among 12th Science stream.
see this:
https://www.careers360.com/news/4041-BSc-In-Agricuture-Agricultural-unversities
agriculture is good option to choose.