Question

when teacher said ," Bravo ! you have done well .May you achieve greater success in future " , Bidlyut replied , " thank you Sir , I shall try my best "
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Answer 1

Answer:

when the teacher praised Bidyut for he had done well and it also wished that he might achieve greater success in future, Bidyut thanked his teacher and said that he would try his best.

I've converted it into an indirect speech nothing is mentioned.