In Madhya Pradesh, “Bidri” is related to—

Correct option is C

The correct answer is (c) Agriculture festival 

Explanation:
• In Madhya Pradesh, "Bidri" refers to a traditional agriculture festival celebrated by tribal communities, particularly the Gonds.
• It is celebrated at the beginning of the agricultural season, usually before the sowing of seeds.
• During the festival, rituals are performed to seek the blessings of the deities for a bountiful harvest and protection from pests and diseases.
• The festival involves the worship of agricultural tools and the earth (Bhoomi Pujan).
• It is a reflection of the deep connection between the tribal culture and the environment. 

Information Booster:
• Community feasts and traditional songs are an integral part of the Bidri celebrations.
• It is one of several festivals in MP (like Hareli or Akshaya Tritiya) that mark the importance of the farming cycle. 

Additional Knowledge:
(a) Painting: While MP is famous for Gond and Bhil painting, "Bidri" in the context of the state's tribal culture is a festival. (Note: Bidriware is a metal handicraft from Karnataka).
(b) Food: Not a specific dish or food category in Madhya Pradesh.
(d) Marriage: Tribal marriages involve various customs (like Bhagoria), but Bidri is specifically linked to agriculture.