Modi wished Gandhi and said: "I pray for his good health and long life."
Congress President Sonia Gandhi arrived at Rahul's residence on Friday morning.
Rahul took to Twitter to thank Modi. He tweeted:
Meanwhile, Congress workers have made elaborate plans to celebrate their leader's birthday. Workers have planned to cut a 45 kilo cake to celebrate Gandhi's birthday.
Party workers have planned to take out a procession to his residence. After many years, Rahul will be in the national capital on his birthday.