India, Jan. 28 -- Congress leader Ajay Maken on Tuesday hit out at Aam Aadmi Party (AAP) chief Arvind Kejriwal over allegations regarding Delhi's water supply, saying that if the former Delhi chief minister 'is lying', it is "treason."

The former union minister wants the statements made by the Bharatiya Janata Party (BJP) government in Haryana and Kejriwal to be investigated.

"If Arvind Kejriwal is lying about mixing poison in the water, it is treason. If the Haryana government is wrong, action should be taken. If Arvind Kejriwal is spreading rumours, action should be taken against him," Maken said in a press conference.

Maken's remarks came in response to Kejriwal's statement on Monday, in which he alleged that Delhi's water supply ha...