Hello aspirant 

Yes you can crack her advance in one year with proper preparation! 

• Do NCERT Thoroughly for knowing basic concepts of each topic

• Also try out previous 10 years questions..go for mock test it helps in time management. 

• Time yourself and make sure you're not spending extra time on any questions.

• Try to utilize, effectively , your free time in the college library.

• Avoid Exam Stress.

• Stay away from distractions before the exams

• Do the course consistently rather than finishing it and leaving it
• Don't refer for 1 topic ten books read one / two books ten times this gains more knowledge in that topic
• Some of the prescribed books are :-
•  for physics H C vema
• For chemistry O P Tandon
• For mathematics R D sharma

If you have any questions further let me know 

Thank you!