PM Narendra Modi spoke to Bihar Deputy CM Tejashwi Yadav and enquired about the health of the latter's father, Lalu Prasad Yadav (74), who underwent a kidney transplant surgery in Singapore, the RJD tweeted. Notably, the surgery was undertaken after Lalu's daughter, Rohini Acharya, donated one of her kidneys to her father. Both Rohini and Lalu are healthy, Tejashwi said.