Varanasi, Nov. 2 -- BJP MP Sambit Patra on Monday detailed the formula used for purification of electoral rolls and defended the ongoing Special Intensive Revision (SIR), stating that 13 crore names flagged were part of a standard verification process and not an instance of vote theft.

Addressing media persons in Varanasi, Patra said the purification process follows the ASDD formula for removal of names.

"The purification process for the electoral roll-which involves adding or removing names-follows a formula known as 'ASDD'. This formula covers four categories of individuals whose names are removed: 'A' stands for 'absent', 'S' stands for 'shifted', 'D' stands for 'deceased', and the second 'D' stands for 'duplicate'," Patra said.

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