EPF REGISTRATION - CANCELLATION

GANGI NAIDU YANAMANDALA (130 Points)

27 November 2018  
Dear sir
One of my got EPF registration through consultant unfortunately he was opted compulsory registration, can we change it as Voluntary registration.
Do we pay all 20 employees
EPF, tight now our client having 10 employees only.
can we pay RPF FOR 10 employees.
otherwise can we cancel Registration.
Thank you sir please advise..