Yes u can pursue both genetically engineering & agriculture engineering
In order to take admission for B.tech programme, There are many engineering entrance exam like JEE Main, State level exam & other university level exams. As per the eligibility appearing board student can apply for the entrance exam. If you explain about any particular exam you want to apply then I can help you better.
Good Luck!
Candidates can check B.Tech Cut off for Top IITs & NITs here.
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