Thirteen employees of the Jal Shakti Department, including a suspended engineer, are now under investigation. On Thursday, a team from the Vigilance Bureau, headed by Additional Superintendent of Police Narveer Singh Rathore, interrogated these employees and documented their statements. Additionally, tanker and pickup drivers were summoned to the site along with their vehicles, where the numbers, registration details, and loading capacities of nine tankers and five pickups were thoroughly examined.