hello richa

First of all ,you shouldn't lose hope as there are still 2 months left for the april session.Focus on topics important for mains.Memorize the formulas thoroughly.Practice as many questions as you can especially from last year papers.A lot of questions are repeated in mains.Be thorough with inorganic chemistry.Practice mechanics and calculus alot.It's not at all difficult to score above 150 in mains with such a practice.hope this helps.

Good Luck!