Question

from the story battling boats comment on those who dig pit for others often fall in themselves by taking reference from the story​

Answer 1

People who dig pits for others fall themselves into holes means people who try to create troubles for others often get tangled in those troubles.

Explanation:

In the story "battling boats" Vijay creates a hole in the boat of his friend as he was catching more fish.

When both of them were sailing, their boats caught by the storm.  

Vijay's ship was wrecked and he took shelter in his friend's ship.

However, due to the hole he created, that ship also sank in the water.