NELCAST Q2 FY27 CONCALL: TARGETS 15–20% REVENUE GROWTH IN FY28, ₹15 EBITDA/KG IN NEAR TERM & ₹18/KG BY FY29; EXPECTS 50%+ EXPORT GROWTH OVER 2–3 YEARS, ₹250 CR ANNUAL REVENUE FROM NEW PROGRAMS & PLANS ₹75 CR MACHINING INVESTMENT