hello eswar,

no, you can't take up admission in m.tech courses without GATE entrance score.you need to give GATE to earn admission in m.tech courses.if you score good marks in gate,then you'll able to do m.tech in top iit's too.refer the given link to know more about gate,

https://engineering.careers360.com/exams/gate

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)

all the best!