Which festival is celebrated on the last day of the Hindu month of Shravan to mark the end of the monsoon season in the western coastal areas in India?

Correct option is A

Naryal Purnima: On this day, an offering of a coconut (naryal in Gujarati, naral in Marathi) is made to the sea, as a mark of respect to Varuna, the God of the Sea. In the coastal regions of Maharashtra i.e. Konkan, a coconut is offered to the sea for calming it down after the monsoon season.

Incorrect options explanation:

• According to legend, the Goddess Lakshmi visits the houses of people to bless them when they worship her at night. Kojagari is derived from the Bengali words Ke Jago Re meaning 'who is awake' and it is believed that the goddess visits houses where people worship her on that night.
• Samba Dashami is a festival unique to the state of Odisha, India. It is celebrated on the 10th day of the Shukla Paksha of Pausha Māsa or waxing phase of moon in the month of Pausha (December – January) as per traditional Odia calendar. This festival is especially celebrated in the eastern part of Odisha.
• Guru Purnima is a religious festival dedicated to offering respect to all the spiritual and academic gurus. It is celebrated as a festival in India, Nepal and Bhutan by Hindus, Jains and Buddhists.