Get educated on HIV and other STDs. HIV spread through precum, cum, blood, vaginal fluid and breast milk. Yes giving bj can also infect you. Take Pep med within 72 hours if you had unprotected sex or bj. Delhi has reported 60k (majority men) registered cases, these are registered count is more.
Learn about Prep and Pep meds. And get tested after 3 weeks if you had been exposed.