Congratualations you have got good rank in TSPGECET, the best branch for mechanical engineering for Mtech and specially girls are Automobile Engineering, Thermal Engineering, Product Design and engineering, Computer Integrated Manufacturing etc, these Branches are good for girls in my view and most of them are based on software design. below is the link for Mtech colleges in Telengana

https://engineering.careers360.com/colleges/list-of-me-mtech-colleges-in-telangana