Position under GST : Such advance (or deposit) is Not taxable. Such transaction or activity does not qualify to the definition of 'consideration' under Section 2(31) of CGST Act.
As per 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;
Position under Service Tax era : Not taxable
2017 (52) S.T.R. 313 (Tri. - Chennai) = 2017 (1) TMI 1674 - CESTAT CHENNAI GB ENGINEERING ENTERPRISES PVT. LTD. Versus C.C.E., TIRUCHIRAPPALLI
In both ways advance is not liable to GST or service tax.
Moreover, Point of Taxation Rules, 2011 came into effect w.e.f. 1.4.11 (Advance was received in 2010)