IIT Bombay cut off varies branches wise. You can check the below link to know the cut off branches wise

IIT Bombay cut off for M.tech

Good Luck!!

You will have to clear GATE exam if you wish to get admission in M.Tech in IIT Bombay. Also the cut off varies branch and category wise as you have not mentioned the both so I am providing you the cut off for the same which you can go through -

Gate Cut off

Hope this helps!!!