Every year the marks required for admission varies. so it can't be concluded that with 59% marks in which college you will get. My suggestion for you will be apply to most of the colleges and then see in which you can get into. There are three colleges in Bangalore which offers the course of BSc Medical Lab Technology and this are-

St Johns Medical College, Bangalore

Christian College, Bangalore

SB Group of institutions, Bangalore

For more colleges in Bengaluru offering various courses in Medical Lab Technology consider the link below:

https://university.careers360.com/colleges/list-of-degree-colleges-in-bangalore?branch=Medical%20Laboratory%20Technology

For more information regarding BMLT consider the link below:

https://www.careers360.com/courses/bmlt-bachelor-in-medical-laboratory-technology

I hope this helps. Wish you a great day!