no need to give money to IO, file rti in office of DCP concern, and meet DCP personally , and explain all thing, request him to order a proper investgation before registering the case, also gice a written counter complain in dcp office and take a stamped receipt,
send the copy of this to police commisioner via post and email.
both the copy will automaticallt reach to IO of caw cell.
im surprized that they slap u... you can put this also in your complain and tell this to dcp too.
that IO will be terminated.