Hi Shilpa,

Yes, there are colleges for B.Sc Astrophysics in Kerala. Here is the list of some well known colleges: 

*Jawaharlal College of Engineering and Technology, Kerala

*Vikram Sarabhai Space Centre ,Thumba, Thiruvananthapuram, Kerala

*Cochin University of Science and Technology - Kochi, Kerala

*Pondicherry University - Pondicherry (Mahe), Kerala

*National Institute of Speech & Hearing, Thiruvananthapuram, Kerala

*KeralaIndian Institute of Space Science and Technology - Thiruvananthapuram, Kerala

*National Institute of Technology Calicut - Calicut, Kerala

*Sree Kerala Varma College - Thrissur, Kerala

*Kerala University - Thiruvananthapuram, Kerala

*Nehru Arts And Science College - Kannur, Kerala

*Kerala University College of Teacher Education, Adoor, Kerala

*Edappal Hospitals Pvt Ltd. , Malappuram, Kerala

Thank you and best of luck.