Correct option is A
This festival is celebrated in the month of April every year, marking the beginning of the traditional Solar New Year and the Harvest season.
The event commemorates the Sikh new year as well as the birth of the Khalsa Panth as Guru Gobind Singh Ji, the 10th Sikh guru founded the Khalsa Panth on the occasion of n Baisakhi only.
The founder of Sikhism was Guru Nanak Dev Ji.