One of the following is not in the four Vedasa.Padma Purāṇab.Yajur Vedac.Rig Vedad.Sāma Veda

To determine which one of the options is not in the four Vedas, we need to identify the Vedas and then compare them with the given options.

Step 1: Identify the four Vedas: The four Vedas are ancient sacred texts of Hinduism. They are:

1. Rig Veda
2. Yajur Veda
3. Sama Veda
4. Atharva Veda

Step 2: Compare the options with the four Vedas: a. Padma Purana: The Padma Purana is not one of the four Vedas. It is a Hindu scripture that belongs to the Puranas, a different category of texts. b. Yajur Veda: Yajur Veda is one of the four Vedas. c. Rig Veda: Rig Veda is one of the four Vedas. d. Sama Veda: Sama Veda is one of the four Vedas.

Step 3: Conclusion: From the given options, the one that is not in the four Vedas is "Padma Purana" (option a).

Therefore, the correct answer is: Padma Purana.