higher reverse charge than output

In brick kiln industry reverse charge for processing of brick in kiln will take atleast 40 days to come out with pakka bricks while reverse charge have to be deposited in advance.reverse charge rs.189 per 1000 bricks while output will be rs.127per 1000. bricks. please let me knew whether input can be higher than output? secondly it will be gre
at jolt to industry to arrange money for reverse charge.