Prime Minister Narendra Modi on Sunday greeted veteran BJP leader L.K. Advani on his birthday and said his contribution to the country was invaluable.
"Warmest birthday greetings to our guide and inspiration, the respected L.K. Advani ji. I wish Advani ji a long life filled with best health," Modi said in a tweet.
He said Advani's contribution to the country was "invaluable" and added: "He has always been respected as a person of immense knowledge and integrity."
"Personally, I have learnt so much from Advani ji. For karyakartas like us, he is the best teacher and the epitome of selfless service," Modi said.
Advani was born on November 8, 1927.