Question

In his old age Ali started regretting and felt je was punished for his previous deeds explain with the context of the chapter The letter

Answer 1

Ali used to kill animals in his past days. He separated young animals from their parents or separated parents from their children. Now in his old days Ali faces the same problem he used to give others. That is why in his old days Ali started regretting and felt he was punished for his mistakes.

Answer 2

Ali used to kill animals as he was a hunter. After being separated from his only daughter he understood the feeling of separation and stopped killing animal.
He started regretting because he understand that wahtever you do for others, it will actually reflect back