There are no such restriction of smart phones information available on internet for the Government medical colleges in Kerala. So it can be said intuitively that there are no such restrictions for using smartphones in Girls Hostel.

Some of the Government colleges in Kerala are provided below:

Government Medical College, Thiruvananthapuram

Government Medical College, Kozhikode

SCTIMST Trivandrum - Sree Chitra Tirunal Institute for Medical Sciences and Technology

KUHS Thrissur - Kerala University of Health Sciences

Government Medical College, Kottayam

For more colleges you may visit the link below:

https://medicine.careers360.com/colleges/list-of-government-medical-colleges-in-kerala

I hope this answer helps. All the very best for your future endeavors!