'My sister Meghna just gave birth to a beautiful healthy baby boy! I'm officially a maama now! Thank you for all the prayers and blessings,' Oberoi tweeted. 'One of the happiest moments of my life! Holding my nephew for the first time! Felt so special,' he further posted. Meghna married businessman Amit Bama in 2008.
Spotted: Virat Kohli, Anushka Sharma and other celebs at Mumbai airport
Photos: Salman Khan's 'special friend' Iulia Vantur at a song launch
Photos: Hrithik Roshan, Anushka Sharma, other celebs dazzle at event
In Pictures: Sex scandals involving Indian politicians
Photos: Abhishek Bachchan and Farah Khan at Boman Irani's birthday bash