Question

Sisir was the only person who
knew about the plan of escape.

Supporting statement: ​

Answer 1

Sisir and Subhas had maintained total secrecy about the plan of escape. None of the family members knew anything except Subhas's niece Ila and a male cousin, Dwijen.

Answer 2

Answer: yes, you are right bro.

Sister was the only person who

knew about the plan of escape.