If TKNS doesn't hv a proven AIP of the size &amp; capability IN wants in #P75I , why spend another 80000 cr on it,

When we will be building SSNs &amp; DRDO AIP Scoroenes r available at 2030, dues #P75I Add any new capability, in between?

If it doesn't, why fragment the fleet?
#P75I #P75I