Gender identity is an internal sense of being (e.g., man, woman, non-binary), while sexual orientation refers to whom one is attracted to (e.g., gay, straight, bisexual).
Traditionally, Indian culture has recognized groups like Hijras (or Kinnars) , who were legally recognized as a "Third Gender" by the Supreme Court in 2014.
The unique process of living authentically, which may include social changes (name/pronouns), legal updates (ID documents), or medical steps (hormone therapy or surgery). Transgender Culture & Global Perspectives