Big B, 73, tweeted this on Jayaji's 68th birthday:
T 2220 -Raat ke din beet gaye .. aur 9 ki tareeq aa gai .. janm din ki shubhkamanayein .. Patni ko .. jo videsh hain pic.twitter.com/xhtzrX2fU1— Amitabh Bachchan (@SrBachchan) April 8, 2016
Abhishek, 40, said 'Happy Birthday' with a picture on Instagram:
Jaya and Big B are also parents to Shweta, who is married to businessman Nikhil Nanda.
Abhishek, married to actress and former beauty queen Aishwarya Rai Bachchan, was last seen in 2015's All Is Well. They have a daughter named Aaradhya.