Raj is gay

Is Raj gay? No. Throughout the series, there has been many hints that Raj was gay. There were a lot of "hints" that he wasn't, including: He said he was straight. He exclusively dated and had sex with women. He never showed any interest in dating or having sex with a guy. She tells him there’s a rumour in New Delhi that he is gay as well.

Despite their respective issues with women, Raj and Howard were inseparable, spending most of their time together, which fueled the 'gay' speculations.