"Congratulations mother! So so proud of you! You are truly amazing and you set an example for all of us that age is not an obstacle in the path of ability and talent #Hurrah," tweeted Twinkle, the older of the two daughters Dimple has with late superstar Rajesh Khanna.
Dimple has been cast in the acclaimed Hollywood filmmaker's espionage thriller "Tenet".
Celebrities from Bollywood have cheered Dimple on landing the role.
Film producer Guneet Monga sent in congratulations.
Dimple, who made her screen debut with 1973's Bollywood film "Bobby", is a National Award winner. She has proved her mettle in Indian cinema with an eclectic mix of parallel and commercial films like "Rudaali", "Krantiveer", "Dil Chahta Hai" and "Finding Fanny" among others.
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