Question

why had yama taken form of
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Answer 1

Answer:

Yaksha was Yama the God of Death. He had taken the form of Yaksha to see and test Yudhishthira.

Answer 2

Answer:

Yama had taken the form of Yaksha in order to test Yudhishtra's knowledge. After all the Pandavs took to search for the mysterious deer, Yudhishtir came across the dead bodies of his brothers. On examining closely he realized it has something to do with the crane that was lounging in the lake

Explanation:

hope this helps you friend..

borahae