Hii Nivedita!

The IIT Mandi M.TECH application form filling dates have started from 16 March, 2020 and will end on 5 April, 2020. The admissions via this are provides into various M.tech courses such as biotechnology, and it's different specialisations. The application form is free of cost and does not have any application fee. You can visit the official Website for more details.

Hope this helps.

Good luck!