Bachchan, 74, who marked his Hollwyood debut with Di Caprio-starrer "The Great Gatsby", wished his co-star, "Happy Birthday" on Twitter and called him a "gentleman".
"Happy birthday Leonardo Di Caprio for the 11th... Colleague in 'GATSBY', a gentleman and a concerned 'climate change' actor...," he wrote.
"The Age of Consent Act was legalised over 125 years
ago in 1891. How many times has the value of consent been taken for granted in our society? How many times has our culture considered consent and specifically sexual consent important enough to be acknowledged and discussed? How many times has 'No' meant 'No'," the Big B said echoing the message of the film.
To superstar Shah Rukh Khan, who was also present on the occassion, he said Indian hockey team's recent victory at 4th Women's Asian Champions Trophy hockey tournament in Singapore reminds us of his hit film "Chak De India".