Study the following information carefully and answer the questions given below: Eight persons have different designations i.e., General Manager (GM), ...

Study the following information carefully and answer the questions given
below:
Eight persons have different designations i.e., General Manager (GM), Deputy General Manager (DGM),
Assistant General Manager (AGM), Manager, Assistant Manager (AM), Section Officer (SO), Cashier and
Peon in a company. The order of seniority is the same as given above i.e., GM is the senior-most designation
and Peon is the junior-most designation.
Shukla is junior to Assistant Manager. Negi is junior to Shukla. Three designations gap between Negi and
Singh. There are as many designations gap between Singh and Shukla as between Singh and Chawla who
is not the senior most. Joshi is two posts senior to Sinha. Kaur is junior to Pandey who is junior to Singh.

How many persons are junior to Sinha?