1) Whether the supplies made under Cost Centres D, G and H (to the extent of training services) of contract 'Rs-10' to DMRC are to be considered as independent supplies of goods and services and GST rate applicable depending upon the nature of activity performed under such cost centres.
2) Whether the supplies made by all the Cost Centres of RS-10 Contract of DMRC are to be considered as 'composite supply' as defined under Section 2(30) of the Central Goods and Service Tax Act 2017 ('CGST Act') read with Section 8(1) of the CGST Act, thereby considering the supply of rolling stock undertaken under Cost Centre B and C as the principal supply and levying GST at 5% (upto 30 Sept 2019), 12% (from 1 Oct 2019 till 30 Sept 2021) and 18% (with effect from 1 oct 2021) on the entire contract value.