Which submarine you say?
How did we test you say?
Ever heard of an underwater pontoon?
where is the appreciation for Russian scientists you say?
They have already been appreciated that is if you have not read DRDO's official statement and come trolling here.
Just say it bro u r boiling with envy.
Yeah keep saying that to yourself in front of ur mirror, it'll help u sleep easy.
K-15 SLBM is already operational, so BrahMos which is already operational in other versions doesn't seem to be so far off to me.
Well at least we have it unlike some people we know.
Don't waste your time on that troll
Of course he is boiling with envy. That's why he is"GREEN" angel!