India, May 11 -- The Trinamool Congress (TMC) approached the Supreme Court on Monday with a pointed argument rooted in the court's own earlier observation. It said that in at least 31 West Bengal assembly constituencies where it lost to the Bharatiya Janata Party (BJP), the BJP's winning margin was lower than the number of voters deleted from voter rolls under the Special Intensive Revision (SIR) process.

The hearing, before a bench comprising Chief Justice of India Surya Kant and Justice Joymalya Bagchi, brought into sharp focus a question that had been building since April - whether the controversial voter roll revision materially altered the outcome of the West Bengal assembly elections.

Particularly under the lens have been the dele...