m doing btech biotechnology hons i want to study further what shuold i prefer to do either mba or mtech n from which college.

If you want to pursue your career in research field then opt for M.Tech Biotechnology. If not then pursue MBA. Kindly revert for any further queries, also if you liked this answer then rate it 'Best answer' or give a 'Thumbs Up' rating. All the Best!

MS from IIT New Delhi or that near your place may suit you well. You can download the prospectus of the IIT from the following link: http://www.iitd.ac.in/prospectus/Prospectus201011.pdf

go for further studies