New Delhi, February 19 The Election Commission on Thursday requested 22 states and Union Territories to complete preparatory work related to the Special Intensive Revision (SIR) as early as possible, as the exercise is "expected to begin from April".
Once the exercise is completed, all states and UTs will be covered.
In a letter to the chief electoral officers of Andhra Pradesh, Arunachal Pradesh, Chandigarh, Dadra and Nagar Haveli & Daman and Diu, Haryana, Himachal Pradesh, Jammu and Kashmir, Jharkhand, Karnataka, Ladakh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Delhi, Odisha, Punjab, Sikkim, Tripura, Telangana and Uttarakhand, the poll authority said that a pan-India SIR of the voters' list was ordered in June last year.
In Bihar, the SIR exercise was completed and is ongoing in nine states and three UTs.
In Assam, a 'special revision', instead of SIR, was completed on February 10.