Police teams have also been sent to Jammu and Kashmir.
Concerned over the series of attacks on mobile phone towers in the valley, the Centre also issued an advisory to the state government.
Intense clashes between stone-pelting youth and security forces also rocked Jamia Masjid and adjoining areas in Srinagar shortly after Friday prayers.
The Valley, which was brought under a virtual curfew with communication networks snapped on August 5 after the government abrogated special status to Jammu and Kashmir, has seen little difference in the last seven weeks as public transport is still not available and schools waiting for students to collect assignments.
A security patrol was blown up in the crowded Shah Faisal market in Sopore, 55 kms from Srinagar, at around 1310 IST, the sources said.
Acting on specific info, army jawans raided a forest 70 km away from Srinagar and recovered the explosives.
Former Jammu and Kashmir Chief Minister Omar Abdullah on Saturday sought to link the spate of terror attacks in Sopore area with Defence Minister Manohar Parrikar's alleged remark about revival of 'Ikhwanis', an outfit of reformed militants in the state.
The earthquake epicentred in the Hindukush mountain range in Afghanistan struck at around 2.40 pm, sending ripples across several states like Jammu and Kashmir, Delhi- National Capital Region, Punjab, Uttarakhand and Rajasthan.
The attackers were forced to retreat to Pakistan-occupied Kashmir without causing any damage on the Indian side
He is scheduled to meet top state leaders and security officials to assess the ground situation in the Valley, ahead of Prime Minister Manmohan Singh's visit to the state later this month.
Pakistani troops opened fire with automatic weapons and Rocket Projectile Grenades.
They detected two explosive devices at Sogam bus stand in Kupwara district and Sopore bus stand in Baramulla district, sources said.
Militants snatched an automatic rifle along with a magazine from a cop and decamped with it in south Kashmir Pulwama town on Tuesday afternoon.
A top militant of the Lashkar e Tayiba was killed in a fierce encounter and another was arrested by security forces in Krankshivan area of Sopore in north Kashmir's Baramullah district on Monday.
Curfew was lifted on Tuesday across Kashmir, except from six police station areas of Srinagar, in view of the improving situation, even as normal life remained disrupted in the Valley for the 74th straight day.
Sources said ten venues, including the University of Kashmir and Sopore stadium, have been chosen to host the preliminary round of the event.
Twenty six-year-old Abdul Hai Peer, hailing from Kashmir valley, was nabbed from Adarsh Nagar area of North Delhi.
In a major breakthrough, security forces on Thursday gunned down 5 hardcore militants of Jaish-e-Mohammad and Hizbul Mujahideen in a fierce gunbattle in Shopian district of south Kashmir.
'The Army must always be balanced in response.' 'Rabble rousers will demand that it be given a free hand against anti-national elements in the streets. That is exactly what the adversaries want.' 'Burning the Kashmir Valley through the summer is their desire; the Army will never contribute to enhancing their aim,' says Lieutenant General Syed Ata Hasnain (retd), who served as the General Officer Commanding 15 Corps in Kashmir.
No one was hurt in the incidents which took place within minutes of each other.
Lieutenant General Syed Ata Hasnain (retd), former general officer in commanding, 15 Corps, explains what may have happened during the Indian Army's anti-terrorist operation in Kashmir in which four soldiers and one policemen, including the commanding officer 21 Rashtriya Rifles, made the supreme sacrifice for the Motherland.
The daring militant attack on an Army camp in Jammu and Kashmir last Friday shook the people of Uri town, situated close to Line of Control in Kashmir, but it did not deter them from exercising their franchise as voters thronged the polling station on Tuesday morning.
With the operation getting fiercer by the minute, more troops have been called in.
A day after voters in the Baramulla Lok Sabha constituency exercised their franchise, some of them were thrashed for defying the separatist call for boycott of the elections, district officials said.
19 wards of Srinagar Municipal Corporation, having an electorate of 1.78 lakh, witnessed a turnout of just 2.3 per cent, officials said.
With local militancy gaining ground in the Valley, S P Vaid, a highly-decorated police officer who helped tackle the recent unrest in the region, was on Wednesday appointed the new Director General of Police of Jammu and Kashmir.
'If the strength of foreign terrorists can be brought to negligible levels there will be few takers for militancy.' 'That is why it is important to neutralise the terrorists at their launch pads,' advises Lieutenant General Syed Ata Hasnain (retd).
Bullet-riddled body of a Hizbul Mujahideen militant was found in a jungle on Saturday in north Kashmir, with police suspecting the hand of break-away Hizb faction Lashkar-e-Islam.
Curfew was on Sunday lifted from all parts of Kashmir but normal life in the Valley remained affected due to the strike call given by hardline Hurriyat Conference to protest against the firing incident in Ramban district that left four persons dead.
A CRPF vehicle had suffered slight damage when a Santro car went up in flames after an explosion at Tethar village, seven km from Banihal, shortly after a Jammu-bound convoy crossed the Jawahar Tunnel, the gateway to Kashmir valley.
Ghalib secured an impressive 95 per cent, bagging 19th position, in the standard X board examination for which results were declared on Sunday.
Rediff.com's Umar Ganie talked to some of the protesting students in Srinagar.
Three army troopers and a militant were killed and a trooper wounded when security forces foiled an infiltration bid on the Line of Control in the Tangdhar sector of north Kashmir Kupwara district.
With Lone's death, the number of people killed in the unrest in the Valley, which entered the second month on Monday, reached 55, including two police personnel.