What is refund?

Refund has been discussed in section 38 of the MGL.
“Refund” includes refund of tax on goods and/or services
exported out of India or on inputs or input services used in
the goods and/or services which are exported out of India,
or refund of tax on the supply of goods regarded as deemed
exports, or refund of unutilized input tax credit as provided
under section 38(2).