The biggest internship platforms in India are LinkedIn, Internshala, and TimesTalent. You should create an account on all of them and set up smart job alerts for “computer science internship India”. They will email you new openings daily.
Pursuing higher studies like MA, LLB, MBA, journalism etc. can open up more doors for you. You can also try for content writing, editing, translation jobs. Many arts students enter civil services or defense forces after graduation.
Read the textbook carefully, it has great diagrams that explain the sliding filament theory. Make notes as you read and then revise the notes. Practice lots of questions to test your understanding. You can do it! All the best 🙂