Party leaders Rita Bahuguna Joshi and Sobha Ojha also said the Gujarat Chief Minister will have no right to stay in office if charges in the case against him are established.
"What is being witnessed in Gujarat is a fascist arrangement, where dictator is one - the Chief Minister. He can kill any body and he can put any one under surveillance," they said.
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Dismissing BJP's charge that the revelations were part of the "dirty tricks department" of the Congress, Joshi suggested that the cap fits Narendra Modi as he has shown "unconstitutional and dirty attitude" by putting illegal surveillance on the young girl.
They sidestepped question when asked about the cases against former Rajasthan Ministers Mahipal Maderna and Babulal Nagar.
"You are confusing the issue. We are not talking about individuals, but we are talking of misuse of power. Maderna is in jail in the wake of Bhanwari Devi murder case, while Nagar had to leave ministership in the wake of atrocities against a woman," they said.
This is for the second day women leaders of the Congress have been targeting Modi on the issue.
Two investigative portals, Cobrapost and Gulail, had claimed on November 15 that Amit Shah, the former Home Minister of Gujarat and Modi's close aide, had ordered illegal surveillance of a woman at the behest of one "saheb".
They had released taped conversation between Shah and an IPS officer to back their claim, adding its authenticity could not be confirmed.