City & Industrial Development Corporation [CIDCO] — OC for building

Muskaan Corner Taloja, builder completed 90%work & stopped work.
Owners got together completed the work and started living in said building without oc since 2018.society registration done.earlier due to corona lockdown oc was not applied.now society is starting application for oc.
But cidco is asking to vacate the building for oc process.else pay 2 crore to get it done with out vacating.
Most of the residence don't have other place to go.due to last 2 year lockdown we are in no condition to pay the hefty amount.pls help has get oc done with minimal financial burden