Step 1: Know the Kalpa Sutra:
The Kalpa Sutra is a sacred Jain text, said to be written by Bhadrabahu. It tells the life stories of the Jain Tirthankaras, especially Mahavira and Parshvanath.
Step 2: Link it with miniature painting:
Manuscripts of this text were illustrated with small paintings. They belong to the Western Indian (Jain) school, made mostly in Gujarat and Rajasthan.
Step 3: Match the option:
The subject and patrons are Jain, so the answer is (C) Jain Religion.
(A) Vaishnava paintings show Vishnu and his avatars, and (B) Buddhist works illustrate texts like the Prajnaparamita. So neither fits. Option (D) is wrong because (C) is correct.
Final Answer:
(C) Jain Religion