We’re thrilled to announce that our Sigma Griplock TMT bars have been approved by the National Highways Authority of India (NHAI)!

Building with Confidence: Sigma Griplock TMT Bars Earn Prestigious NHAI Approval At Sigma, we’re passionate about providing top-notch building materials for India’s incredible infrastructure. We’re thrilled to announce that our Sigma Griplock TMT bars have been approved by the National Highways Authority of India (NHAI)! This prestigious nod highlights the…