The thrilled grandfather took to Twitter to announce the arrival of the newborn.

"My daughter-in-law is a mom today. My son is a now dad. My wife is a grandma & I'M A GRANDADDD!!!" the 56-year-old "Munna Bhai" star tweeted.

 

Danesh and Reah tied the knot in 2011. Boman and wife Zenobia also have another son, Kayoze Irani, who is a Bollywood actor.

Kayoze has appeared in films like 'Student of The Year' and 'Youngistaan'.

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