Jan Sewa Kendra — about the huge fee charged for caste certificate

Address:

Allahabad, Uttar Pradesh, 211011

I am a resident of pritam nagar allahabad and here jan sewa kendra are charging 200 for central cast certificate of obc and 150 for state caste certificate. Why is that and what can we do against this. How can we trust the jan sewa kendra and what are the actual prices for these certificates where to find that and what are options to apply self in kachehri allahabad what is the procedure and what kind of action can be taken against these sewa kendras