India, Aug. 25 -- The Delhi Police on Monday said they have invoked charges of criminal conspiracy against the two men accused of planning and executing last week's attack on chief minister Rekha Gupta at her Civil Lines bungalow.

Investigators familiar with the probe described the assault by Rajeshbhai Khimjibhai Sakriya (41) as a "well-planned operation" intended to harm the chief minister.

Sakriya was overpowered and arrested immediately after the attack on Wednesday, while his associate, Tehseen Syed (35), was picked up from Gujarat and arrested on Sunday. The duo were sent to judicial custody by a Delhi court on Monday.

According to at least two officers familiar with the case, Sakriya and Syed had allegedly discussed targeting th...