Singh, who was decorated with President Police Medal about four months ago, continued to be grilled by a team of police and intelligence investigators.
The scene of the blast along the B C Road was sealed off by police and a massive hunt has been launched to nab the grenade thrower, Inspector General of Police, Jammu, M K Sinha said.
Singh said the National Investigation Agency, which recently took over the case, will investigate the case, amid conflicting versions by Delhi Police and Jammu and Kashmir Police on his arrest from near the Indo-Nepal border.
The home ministry on Thursday issued a notification facilitating the National Investigation Agency to take over the case related to the arrest of suspected Hizbul Mujahideen terrorist Liyaqat Shah amid conflicting versions by Delhi and Jammu and Kashmir police.
The resolution, drafted by France and Tunisia, 'demands a general and immediate cessation of hostilities in all situations on its agenda and supports the efforts undertaken by the Secretary-General and his Special Representatives and Special Envoys'.
Shops, business establishments and fuel stations were open and markets witnessed huge rush.
Two days before the Hyderabad blasts, the Centre had alerted all states that Pakistan-based terrorist groups may carry out attacks in a major city to avenge the hanging of Ajmal Kasab and Afzal Guru.
Restrictions imposed on people's movement and communication links in the Kashmir Valley are being eased out in a phased manner and the normal situation in the Jammu division has been restored after assessment by relevant local authorities.
Separatists on Friday extended the shutdown call in Kashmir till July 18 to protest against the killing of civilians and demanding lifting of curfew in the valley.
Shops, business establishments and schools remained closed due to the strike called jointly by the JKLF, Hurriyat Conference factions led by Mirwaiz Umar Farooq and Syed Ali Shah Geelani; and supported by almost all separatist groups in the Valley.
The terrorists were nabbed in a joint search operation launched Friday night by the 52 Rashtriya Rifles and Special Operation Group, Baramulla.
In an exclusive interview to CNN-IBN's Senior Editor Suhasini Haider, Jammu and Kashmir Chief Minister Omar Abdullah admits the lapses in the rehabilitation policy for surrendered militants following the fiasco over the arrest of Hizbul Mujahideen terrorist Liaqat Ali Shah.
The Delhi Police, who have come under attack after the arrest of 'militant' Sayeed Liyaqat Shah, on Monday released a sketch of Shah's aide.
Taking note of the conflicting versions of the Delhi Police and Jammu and Kashmir Police, the Ministry of Home Affairs is likely to order a probe on circumstances leading to the arrest of suspected Hizbul Mujahideen terrorist Liyaqat Ali Shah.
The Jammu and Kashmir government on Saturday said that it has sought from the Delhi police details regarding the arrest of 40-year-old Syed Liyaqat Shah, whom they have claimed to be a Hizbul Mujahideen operative.
Was Syed Liyaqat Shah, a former militant of Al Barq terror outfit, on his way to surrender before the Kashmir police when the Delhi police claimed to have nabbed him for planning terror strike in the national capital?
The three-year-old son of a former militant, who was critically wounded in an attack in north Kashmir's Sopore town on Saturday evening, succumbed to injuries in a hospital in Srinagar.
Andrabi, the founder of the Dukhtaran-e-Millat, an Islamist separatist organisation is also a member of the All Parties Hurriyat Conference.
The spokesman, however, said, it was "imperative that the Government of India moves forward for talks with sincerity."
Four terrorists and a soldier were killed in an overnight encounter in the Handwara area of north Kashmir's Kupwara district, police said on Thursday.
The number is an all time high for the state with south Kashmir emerging as one of the main hubs, providing cadres to terrorist groups.
Suspected Hizbul militant Liyaqat Shah on Thursday alleged in a court here that he has been beaten up and tortured by the officials of special cell of Delhi Police during his custody following his arrest.
Hundreds others were wounded many of whom received bullet and pellet injuries and are undergoing treatment in various hospitals.
Three cops, including an officer, and a civilian were wounded in a powerful hand grenade blast in downtown Khanyar locality of the summer capital Srinagar on Wednesday evening.
Mehbooba also recalled that the events post the 1987 Assembly elections had 'created' Syed Salahuddin, the supremo of the banned Hizbul Mujahideen, and Mohammad Yasin Malik, the separatist Jammu and Kashmir Liberation Front chief.
Talks will ensure the rise of Islamism in Kashmir and the death of the Idea of India, warns Vivek Gumaste.
In an interview to Kashmir daily The Rehmat the outfit's spokesman Junaid-ul-Islam claimed the Hizb was not carrying out suicide attacks.
The six terrorists formed an active Hizbul module involved in a series of pistol shootings, IED blasts and grenade attacks in the civil line area of Srinagar last year.
Top Hizbul-Mujahideen commander Chota Hafiz, an accused in the 2011 Delhi high court blast, was on Thursday killed in an encounter with security forces in Kishtwar district of Jammu and Kashmir.
Security forces on Sunday claimed to have busted hideout of two Hizbul Mujahideen commanders, wanted for their roles in 2011 Delhi high court blast, and seized huge cache of arms and ammunition in Kishtwar district of Jammu and Kashmir.
During a debate on Kashmir situation, Ganai said Burhan was a "martyr" and that he had "given up his life for the cause of Jammu and Kashmir".
Srinagar witnessed two terror attacks on Monday morning in the very heart of the city; three policemen were killed. The attackers remain missing.
Khan, 37, was injured in the terror attack and later flown to Delhi in an air ambulance for specialised treatment. However, he succumbed to injuries at the All India Institute of Medical Sciences.
The others named in the PE are Naeem Khan, Farooq Ahmed Dar alias 'Bitta Karate' and Gazi Javed Baba of Tehreek-e-Hurriyat.
Ghaznavi will succeed Burhan Wani, whose death in an encounter last week triggered a wave of violent protests in Jammu and Kashmir.
Banned Hizbul Mujahideen terror outfit's head Syed Salahuddin may be on the most wanted list of the National Investigation Agency but he remains faceless on the website of the country's premier anti-terror force.
Earlier in June this year, his another son, Shahid, who was working in the agricultural department of the Jammu and Kashmir government, was arrested in the same case.
Some of the sacked employees have already been booked under the Public Safety Act, while others have evaded arrest.
Intense clashes had rocked Kashmir Valley in 2016 following the death of Hizbul Mujahideen commander Burhan Wani in July that year, resulting in the death of over 85 people.
A Hizbul Mujahideen terrorist returned to India via Nepal and surrendered before police in Anantnag district of south Kashmir on Wednesday after spending two decades in Pakistan Occupied Kashmir, police said.