Step 1: Understanding the Concept.
Anant Pai was a pioneering figure in Indian comics publishing.
Step 2: Check the options.
Chacha Chaudhary was created by Pran Kumar Sharma, not Anant Pai, so option A is wrong. Chandamama was founded by B. Nagi Reddy and Chakrapani, so option B is wrong. Indrajaal Comics was a separate publishing imprint, not his creation, so option C is wrong.
Step 3: Final Answer.
Anant Pai created Amar Chitra Katha, the comic series based on Indian mythology, history, and folklore, and he also later launched Tinkle magazine. Option D is correct.