Kolkata, Jan. 31 -- West Bengal Chief Minister Mamata Banerjee wrote a letter to Chief Election Commissioner Gyanesh Kumar on Saturday, raising serious concerns over the conduct of the ongoing Special Intensive Revision (SIR) process in the state.

CM Banerjee further stated that four IAS officers from the Tripura cadre have been appointed as Observers, vide a letter dated January 10, 2026, in addition to five observers from the Centre and twelve from West Bengal.

"Besides, four IAS officers belonging to the Tripura cadre have been appointed as Observers vide letter dated 10th January 2026, in addition to five other observers from the Centre and twelve from West Bengal. It is reported that some observers are functioning from the office o...