The birth anniversary of Guru Nanak Dev - the first or the founder guru of the Sikhs, is celebrated with great fervour on the full moon day of Kartika. Guru Parab/Guru Purab, also known as Jyototsava is one of the most sacred festivals of the Sikhs.

At Nankana Sahib (the birth place of Guru Nanak now in Lahore), there is a beautiful Gurudwara, and a holy tank or sarovar. On Guru Parab, a grand fair and festival is held here, and Sikhs in thousand congregate here from India and abroad.

Guru Parab, the Holy Scripture, is continuously read and recited in the Gurudwaras ('Akhand path') all over the country, lamps are lighted, processions are taken out, free langars (meals) are arranged and prasad (holy food) is distributed. Pandals are set up in various places and 'prasad' is distributed. Guru Purab celebrations at the Golden Temple in Amritsar, Punjab is impressive.

Guru Purab in Delhi is most popular festival of the Sikhs also known as ' Guru Nanak Jayanti ', it is the birth anniversary of Guru Nanak who founded the Sikh faith. For two days and nights preceding the festival, the 'Granth Sahib' (Holy Book) is read and on the day of the festival, taken out in a grand procession. Guru Nanak Dev, the founder of the Sikh faith, was born in the month of Kartik (October / November) and his birthday is known as Guru Nanak Jayanti. He was born in 1469 A.D. at Tolevandi some 30 miles from Lahore. The anniversaries of Sikh Guru's are known as Gurpurabs and are celebrated with devotion and dedication.