New Delhi: President Pranab Mukherjee and Vice President Hamid Ansari on Tuesday greeted people on the occasion of the birth anniversary of Guru Nanak, the founder of Sikhism.

"On the joyous occasion of the birthday of Guru Nanak Devji, I convey greetings and good wishes to all my fellow countrymen," the president said. Stating that Guru Nanak believed that service of man is supreme, Mukherjee urged people to lead a moral and righteous life.