Sh.R.V. Perumal Ji,
With reference to your above query at serial no.2 dated 22.3.21, you have not disclosed full facts at the first instance. The following facts are in favour of the company :-
(i) Payment made for and on behalf of Director
(ii) Not accounting for the payments in the company's account as receivrer of construction service.
(iii) Loan
Suppose A intends to make payment on behalf of B , B can do so. There is no such restriction in CGST Act. Liability rests with B.
Regarding rate of tax in this scenario, pl. go through serial no.11 of Notification No.12/17-CT(R) dated 28.6.17 as amended up to 16.10.20