According to Sikh literature, the birth anniversary of Guru Nanak Dev is celebrated on the full moon day of the Indian lunar month ____________.

Correct option is D

The correct answer is (d) Kartik
 According to Sikh literature, the birth anniversary of Guru Nanak Dev, the founder of Sikhism, is celebrated on the full moon day of the Indian lunar month Kartik.
 This occasion is known as Guru Nanak Jayanti or Gurpurab and is one of the most significant festivals in Sikhism.
 Kartik Poornima is the fifteenth lunar day in the month of Kartik according to the Hindu calendar.
 Usually falls in the month of November in the Gregorian calendar.
Information Booster:
 Guru Nanak was born on April 15, 1469, at Rai Bhoi Ki Talwandi, near Lahore, which is in the Sekhpura district of modern-day Pakistan.
 Guru Nanak is regarded as a spiritual teacher who founded Sikhism in the 15th century.
 He started writing the Guru Granth Sahib and completed 974 hymns.