Hi sreemati ,
You might contact one of the following specialists. I received positive references from them:
1).Dr.Ranjita Biswas, AC-28, Sector-I, Salt lake, Kolkata,
2).Dr.Amlan Kusum Jana, Rittik diagnostic center, 155 A, A.J.C Bose Road, Near Maula Ali Mosque, Entally market, Kolkata - 700014
Update January 2022:
1) Dr. Madhuri Ghosh 90515 59951
2) Dr.Ranjita Biswas 94322 37636
3) Dr.Ujjaini Srimani
4) Dr.Amlan Jana 94321 28879
5) Dr.Piyali Ghosh 94333 12360
Info from @hero : https://transgenderindia.com/talk/d/9052-psychiatrist/9