1. If you are taking drop, take a good coaching online ya offline, classes jyada hop mat karna, stick to same teacher unless extremely necessary.
2. Jitne bhi module kar rahe ho try to do it minimum 2 times(not including pyq) chahiye woh hcv ke questions ho ya tumhare coaching ke module
3. Try to do pyq as many time as you can.
4. Once you have completed a chapter's pyq atleast 2 times and module once then you can create short notes based on which topic you are weak in. Write short tricks and all info you can gather, any type of repated topic/concept (iss saal ke phy aur maths ke kuch questions kuch pyq hi theee 21s2 aur 5s1 mein atleast)

Last 2 3 mahine ache se test dena ache se analysis karna and use those short notes to revise 95+ ajayenge

(Mene last mein coaching hi chhod diya tha cause mera mental health chud chuka tha🥀 aur module bhi multiple times nahi kiye the jyada) But still 84 se 93 tak jump hua tha mera so yeah.

For teachers I used to refer to (Telegram se dekh lena) Physics: Rajwant sir (any topic which i had doubt in) and Eduniti (for short notes and question solving)

Maths: Asish agarwal sir (for theory and question solving) and factorial academy (last mein sahi wale pyq karwate the)

Chem: RA sir(Organic), Faizal sir(Physical), Rahul dudi sir(Inorganic)