The Home Minister's directive came following a high-level meeting attended by Delhi LG Najeeb Jung, Chief Secretary S K Srivastava, Police Commissioner B S Bassi besides others.
Singh took stock of the price situation in the national capital and directed that every step should be taken to control the prices of essential commodities and strong action should be taken against hoarders.
The national capital is under President's rule and administratively under the control of the Home Ministry at present.
Jung, after the meeting, told reporters that it was held specifically to assess the situation and chart out measures to control price rise.
"We are trying to control the problem since last month.
Measures like deployment of mobile vans, increase in Safal shops etc. have been taken," he said.
Police Commissioner Bassi said the Delhi Police will provide all assistance to the civil administration.