To answer this question, we need to understand the Hindu calendar and the significance of Diwali.
Diwali is one of the most important festivals in Hinduism, also known as the Festival of Lights. It is observed on the Amavasya (new moon day) of the Hindu month of Ashvin, which typically falls in October or November according to the Gregorian calendar.
Now, let's go through each option to determine the correct answer:
Option A) Ashvin - This option is correct. Diwali is observed on the Amavasya of the Hindu month of Ashvin.
Option B) Kartik - This option is incorrect. Diwali is not observed in the Hindu month of Kartik.
Option C) Shravana - This option is incorrect. Diwali is not observed in the Hindu month of Shravana.
Option D) Chaitra - This option is incorrect. Diwali is not observed in the Hindu month of Chaitra.
Therefore, the correct answer is Option A) Ashvin. Diwali is observed on the Amavasya of the Hindu month of Ashvin.