Correct option is C
The correct chronological order is:
· C. Naz Foundation V/s Government of NCT of Delhi (2009): Decriminalized homosexuality under Section 377 of IPC.
· Suresh Kumar Kaushal V/s Naz Foundation (2013): Overturned the 2009 judgment.
· Navtej Singh Johar V/s Union of India (2018): Decriminalized homosexuality, declaring Section 377 unconstitutional.
· Ankit V/s State of Haryana: This case came later.