DELAYED VAT RETURN

Business operations are closed since april 20th 2010.under force major conditions(local tribals political unrest)

There is a vat liability of rs 4 lac for quarter apr-june.

can the vat return be filed without paying the vat amount now.?

can vat be carried over as liability and paid later on reopening of business

if not then 

can the vat return be delayed beyond oct30st  considering the conditions under which business is closed.