India, Nov. 26 -- The Election Commission of India (ECI) has directed police to strengthen security at the poll panel's office in Kolkata amid the electoral roll Special Intensive Revision (SIR) in West Bengal, citing a "serious security breach" on Monday.

A section of Booth Level Officers (BLOs) protested outside the West Bengal Chief Electoral Officer (CEO)'s office and surrounded the officials until late Monday over the SIR-related pressure.

In a letter to the Kolkata Police, the ECI sought an action taken report within 48 hours. The ECI said the existing security at the CEO's office appeared inadequate to handle the situation, which could lead to a threat to the safety and security of senior poll panel officials.

"The commission fu...