Class 12-science

Your 12th score is bit on the lower side. Though it won't create much problem in getting admission in B-Schools, you can start preparing for CAT/XAT/MAT/GMAT and other MBA entrance exams. A good score will definitely help you to get into a good B-School. You can start preparing yourself and do join a good test series of coaching institute.

If you are a Math student, then you can take.

You have many options but the main are:-
MBBS
BDS
PHARMACY
COURSE
B.Sc.
And, also, Diploma courses are available. The other one are: Veterinary Science, BAMS. (Bachelor Of Ayurvada, Medicine and Nursing).
Good Luck, my friend!

Dear Anshuman!
Yes, you can do this. Under the integrated programme of Management, some university offers this course also.
Good Luck.

There are may options for biology student like:
MBBS
dental
pharmacist
genetic engineering
BE in biotech
bioinformatics
B.Sc in forensic, microbiology, biotechnology, biochemistry, zoology, botany, agriculture, bioscience, life science.

You have many options my friend. It depends upon your choice or field of interest. Just tell me your field of interest or you have any doubts regarding the entrance exam please comment!
Don't take a tension that your percentage is low. Marks does't bother for admission in college. In my opinion just go for IIT main exam. Give the best for this exam.

Educational Requirements to pursue music therapy as a career:
Music therapists being musicians as well as therapists, a background in music and love of music is essential. In India, it is an emerging field and graduate or post graduate courses in Music therapy are rare. But Diploma and certificate courses are available. Abroad, becoming a music therapist involves obtaining a Bachelor's degree or higher in music therapy and obtaining certification through the Certification Board for Music Therapists.

The cut-offs for regional language and programs courses are low. However, you should wait till the last list comes.

You can apply for
microbiology
anthropology
botany
zoology
environmental studies
If you have maths then the horizon widens and you can pursue
pure sciences. Good luck.