What works in India...
'Security checks complete, xxx on board, ATIS xx received, request start clearance.'
Go with the flow, folks, for proper results.
It does not get any simplier.
Others (mainly stiff-upper-lip Brits), who try to reinvent the wheel, have problems...of their own making.
No surprise.
NB.
Been this way for at least the last fifteen years.

IE: conform...or fly somewhere else.
Simples.