Being a commerce student you are not eligible for the programme in top institutes Even if you have maths and IT as a optional subjects Only 11th-12th Science (PCM or PCMB) are eligible for BSc IT program.

However, it is important to check that some universities offers this course and they may have specific eligibility criteria or prerequisites that students from commerce stream can enroll in the program. It is best to check with the specific universities or colleges you are interested in to understand their admission requirements.some colleges which offers bsc IT programme to commerce stream students are

1.JMI Delhi

2.MIT Jaipur

3.LPU Jalandhar

4.CU Chandigarh