Botany

Hello Krishna,
If you had mathematics as a subject in class 12th, then you can apply for MCA.
I hope it helps If you have any further questions, kindly revert.

You don't have to write any entrance exam.

Yes, you can. In fact, it is a good time to join an agricultural PG college in the North Campus Delhi University.
Simply fill the OMR sheet and circle different agricultural colleges affiliated to Delhi University.

Hi,
Yes, you can pursue this field because tourism industry is open for every student. This industry require passion, commitment, communication skills and patience.
All the best.

Why do you want to change from plant biological process specialist to plant biotechnology and bit and bobs of microbial interaction of the same? I am not saying it is a wrong option but as per my suggestion you should opt for more specific subject within plant biotechnology field.