Is there interview after COAP offer acceptance for IIT Delhi M.Tech Biotechnology?
Yes, definitely. See, after accepting your offer in Common Offer Acceptance Porta (COAP) you are showing that you are interested in in doing and MTech in the field which is offered to you. Now, you'll be evaluated by the professors through an interview that whether you are suitable for a MTech there or not. So, answer to your question is YES. All the best!