Limited, Supreme Court has permitted it to proceed with construction of its ongoing Blue Line in Hebbal. A bench of Justices Sanjay Kumar and Sanjeev Sachdeva gave this clarification after hearing. BENGALURU: The eagerly awaited Metro line connecting Sarjapur to Hebbal via Koramangala and Mekhri Circle (Phase 3A) has received approval from the state cabinet, marking a significant step.