The correct answer is B. Vishwakarma Puja.
Vishwakarma Puja is a Hindu festival dedicated to the Hindu god Vishwakarma, the god of architecture, engineering, and all arts and crafts. It is celebrated on the Chaitra Shukla Saptami (the seventh day of the waxing moon in the month of Chaitra) according to the Hindu calendar.
The festival is celebrated by worshipping tools and machines, and by praying to Vishwakarma for his blessings on the work that people do. It is also a time for people to show their appreciation for the work of artisans and craftsmen.
A. Chitra Gupta Puja is a Hindu festival dedicated to the Hindu god Chitragupta, the god of accounting and record-keeping. It is celebrated on the Krishna Paksha Chaturdashi (the fourteenth day of the waning moon) in the month of Magha according to the Hindu calendar.
C. Chhath Puja is a Hindu festival dedicated to the Hindu sun god Surya and his consort Chhaya. It is celebrated over four days in the month of Kartik according to the Hindu calendar.
D. Kojagora is a Hindu festival dedicated to the Hindu goddess Kojagora, the goddess of snakes. It is celebrated in the month of Shravana according to the Hindu calendar.