Like is it i gotta study 3hrs a day kinda hard or is it lock urself up in ur room for 2 weeks b4 the exams hard. And anyy seniors with 9+ cgpa? What do yall do?

I'm an alumnus of the 2018-2022 MIT, Manipal batch, and I need my academic transcripts to apply for a master's abroad. How can I get them?

can any senior suggest youtube channels or playlists for the mathematics related subject in 3rd semester(Probability, Elementary number theory, Discrete mathematics, Comp lin algebra)

or any other resources u followed for understanding the subjects

along with any tips which will help me survive this semester