GHCL Q2 FY27 CONCALL: EXPECTS FY27 PERFORMANCE SIMILAR TO OR SLIGHTLY BETTER THAN FY26; GUIDES Q3 EBITDA ABOVE YOY LEVEL DESPITE SEQUENTIAL DECLINE, TARGETS 80% VACUUM SALT & 70–75% BROMINE UTILIZATION BY Q4 FY27; PLANS ₹450 CR SALTWORKS EXPANSION