In a veiled reference to separatists and hardline Hurriyat Conference leaders, Singh also said the security given to people getting funds from Pakistan and its snooping agency Inter-Services Intelligence should be reviewed.
The Hindu-right group carried out its demonstration despite the imposition of CrPC Section 144 in the city.
The weatherman has predicted rainfall throughout the day with the mercury settling at 19C.
Ending a busy day of electioneering for the Bharatiya Janata Party in poll-bound Karnataka after back-to-back rallies, Prime Minister Narendra Modi took part in a mega roadshow in north Bengaluru on Saturday drawing an enormous response from a huge crowd.
Andhra Pradesh Chief Minister K Rosaiah, who took over on Thursday last after the death of Y S Rajasekhara Reddy in a helicopter crash, has asked the police officials not to cause difficulties to the citizens by stopping traffic on the roads of Hyderabad and Secunderabad to facilitate the movement of his car.
Thousands of people, including women and children, are protesting for over a month at Shaheen Bagh.
Large crowds thronged popular boulevards, tourist hubs and entertainment centres across India and many joined special prayers at places of worship on Sunday as people stepped out to celebrate the New Year without COVID-19 restrictions.
A few shops opened in areas adjoining Chakia-Rajrooppur, Kareli and Khuldabad.
Gurugram police has assured residents that it is drawing out a detailed plan to avert traffic jams during rains this year.