Who among the following is considered to be the first law-giver of India?

Who among the following is the author of the Hastyayurveda?

Who among the following continued the Rajtarangini of Kalhana?

Which one among the following is the earliest text?

Which of the following can be considered a part of the ancient Indian Smriti Literature? 1. Puranas 2. Ramayana 3. Kalpa-Sutra 4. Vedas

Which one of the following is not correctly matched?