just have  a start 6 monthe prior

always first get the topics

understand the topics

understandthe sub topics too

make sure you learn all the  important formulas

practice formulae

go through the previous year paper 

atleast contribute 4 hours a day

hope this helps

hope for the best

all the best

• Regular study
• Revision regular
• Solve mock test
• Solve topic wise questions
• Good diet
• Clear all doubts
• Refer coaching module
• Proper sleep