Section 2(31) of CGST Act

 “consideration” in relation to the supply of goods or services or both

includes––

(a)     any payment made or to be made,

whether in money or otherwise,

in respect of, in response to,

or for the inducement of,

the supply of goods or services or both,

whether by the recipient or by any other person

but shall not include

any subsidy given by the Central Government or a State Government;

(b)    the monetary value of any act or forbearance,

in respect of, in response to,

or for the inducement of,

the supply of goods or services or both,

whether by the recipient or by any other person

but shall not include

any subsidy given by the Central Government or a State Government:

Provided that

a deposit

given in respect of the supply of goods or services or both

shall not be considered as payment made for such supply

unless the supplier applies such deposit as consideration for the said supply;

Thanks 

CA Rahul Gupta