Kolkata, Dec. 2 -- The Election Commission of India (ECI) has placed 2,208 polling booths in West Bengal under heightened scrutiny after discovering that each of them recorded 100 per cent distribution, collection, and digitisation of Special Intensive Revision (SIR) forms with not a single 'uncollectable' form reported.

The Commission has sought signed reports from EROs, countersigned by DEOs, by 10 am on Tuesday. The alert was triggered as the digitisation of enumeration forms entered its final stretch on Monday.

EC officials identified 7,844 polling booths where digitisation was completed with between zero and 10 uncollectable forms.

According to a senior official, the most startling cluster is the set of 2,208 booths that reported ze...