Over 2.52 lakh first-time voters cast their maiden votes during Phase 6 in New Delhi.

Special observers will station themselves at the state headquarters and if needed, tour the areas where sensitivity is high and necessary coordination is required, the poll panel said.

A Delhi Traffic Police officer said movement is likely to be affected in parts of New Delhi and Central Delhi due to the protest. "Robust security arrangements have been made. We have installed layers of security to maintain law and order in the area," the Delhi Police officer said.