New Delhi, May 27 -- The Supreme Court on Wednesday upheld the Election Commission of India's (ECI) Special Intensive Revision (SIR) of electoral rolls, which was first undertaken in Bihar, holding that the exercise is constitutional, legally tenable and cannot be struck down merely because it differs from the ordinary process of voter-roll revision.

A bench of Surya Kant and Joymalya Bagchi held that the SIR exercise cannot be declared 'ultra vires' solely on the ground that it adopts a process distinct from the routine revision of electoral rolls contemplated under the statutory framework.

Terming the exercise a "legitimate and constitutional" one, the Court observed that "the exercise is legally tenable" and is aimed at restoring the...