Senior who score 150+ guide

I am on a gap year, i want to take admission in cs/se . How to score 150+ in net? Qk abi net bht mushkil hogya hai? Will merit drop this year?

How to prepare for english very well so that i can score2 25-30? From where should i prepare?

How to score 45+ in physics and from where should i prepare?

And the major portion of net is Math? How to prepare for it as i will appear in net-2? How to score 80+ in net? Can anyone give me a roadmap on how to ace the test ? How to score 150+ in net-2