JEE Main

Hello Saira,
Being a dropper, if you are preparing from your home itself, then you may or may not hear a lot of advices and comments from your relatives, neighbors. Never let the negative comments affect you mentally or emotionally. It's your goal. So, be strong enough to tackle these things without getting deviated from your path leading to it. Keep yourself motivated improving yourself by studying hard and smart daily. Be determined, dedicated.
For Mains exam, you need to thorough with NCERT books and problem solving from HC Verma.
For chemistry buy NCERT and refer book J. D Lee
For mathematics, complete mathematics for IIT-JEE Mains
Maintain proper timetable, stick the list of formula and revised it daily. In the last, whatever you have learned in week. Then, revise it on the weekend and take mock test. It will help you a lot.
All the best for exam and keep motivated yourself.

Minimum eligibility criteria for all courses.
The candidates seeking admission in the B.Tech programs need to complete their 10+2 from a recognized board, with a minimum of 60% marks in Physics, Chemistry and Mathematics/Biology being their main subjects. For Delhi region candidates: Any candidate who has passed Standard XII from a recognised school located in Delhi with minimum 60% aggregate marks in Physics, Chemistry, Maths, and English is eligible to apply for B.Tech admissions at DTU. For outside Delhi region candidates: Any candidate who has cleared Class XII from a recognised school located outside Delhi with minimum 60% aggregate marks in Physics, Chemistry, Maths, and English is eligible to apply for B.Tech admissions at DTU. The candidates seeking admission in the M.Tech and MBA programmes need to complete their graduation in the same, from a recognized college/university, with a minimum of 60% marks.
To know about the JEE rank visit the link: https://www.shiksha.com/university/delhi-technological-university-23920.