Farmer unions had on Monday announced a countrywide 'chakka jam' on February 6 during which they would block national and state highways between 12 noon and 3 pm.
According to Congress leaders, four cars bumped into each other on National Highway-9 in Hapur district while the convoy was moving towards Rampur, though no one was injured.
The decision has been taken to 'maintain public safety and averting public emergency' under Temporary Suspension of Telecom Services (Public Emergency or Public Safety) Rules 2017.
A team of NIA officials had visited the blast site Friday evening and collected materials from the site. The team of the NIA officials also carried out complete mapping of the area to identify the route and the persons involved in the blast.
Around 500 protesters stayed put at the UP Gate with more pouring in from western Uttar Pradesh in the night on the call of the BKU, an influential farmers' union in north India.
With Wednesday's price rise, petrol is available at new record high of Rs 86.30 a litre in Delhi while diesel is available in the city at Rs 76.48 a litre.
The actress took to Twitter to denounce the farmers, whom she labelled as "terrorists", and slammed people, including actors, for supporting them and actions, which she says led to widespread violence.
Groups of protesting farmers camping at Singhu, Tikri and Ghazipur border points of the national capital broke police barricades on Tuesday morning to force their way into the city.
