An NIA spokesperson said several digital devices, including mobile phones, SIM cards and memory cards, along with incriminating documents like pamphlets of the proscribed Naxal outfit were seized during the searches.
Following are some of the terror-related incidents that have taken place in Punjab between 2001 and 2016.
Several blasts tore through a gurdwara in Kabul on Saturday, killing two persons, including a Sikh, and injuring seven others, while Afghan security personnel thwarted a bigger tragedy by stopping an explosive-laden vehicle from reaching the place of worship of the minority community in the war-torn country.
Teams of National Disaster Response Force were trying to find out any person still trapped under the debris, officials said.
Punjab's Deputy Chief Minister Sukhjinder Singh Randhawa has said a probe would be carried out to ascertain whether Aroosa Alam, a Pakistani journalist who has been visiting former chief minister Amarinder Singh for several years, has links with the ISI.
Rahul Tewatia's entertaining cameo of 36 from 18 balls was the turning point for the Gujarat Titans.
However, no casualty was reported in the blast that took place late on Sunday night in front of Triveni gate of the cantonment.
Andre Russell's spectacular all-round performance powered defending champions Kolkata Knight Riders to a convincing four-wicket victory against Kings XI Punjab in the Indian Premier League, in Pune, on Saturday.
Images from the Indian Premier League match between Punjab Kings and Mumbai Indians, in Abu Dhabi, on Tuesday.
Tamba was attacked by motorcycle-borne assailants at his residence in Sanant Nagar, a thickly populated area of old Lahore in the afternoon.
The blast targeted a van carrying police officers outside the Data Darbar shrine, the largest Sufi shrine in South Asia.
Punjab Law Minister Rana Sanaullah said the blast seemed to be aimed at sabotaging the Pakistan Super League final in Lahore.
The Delhi police on Wednesday said Mohammad Ashraf alias Ali Ahmed Noorie, a Pakistani terrorist with ISI links who was living in India for over 10 years under a fake identity, had conducted a reconnaissance of the high court here ahead of the 2011 blast on the court premises.
The attack occurred near the Gwadar police station in Balochistan when the convoy carrying 23 Chinese engineers was passing the police station and an IED blast took place.
Images from Sunday's IPL match between Delhi Capitals and Kings XI Punjab in Dubai.
There are clear signs that the party is re-starting its journey to relevance by going back to its core Panthic agenda, on the basis of which it was founded over a century ago, reports Sai Manish.
Robin Uthappa smashed his way to a quickfire half-century as Kolkata Knight Riders notched up a comfortable six-wicket victory over Kings XI Punjab in the Indian Premier League in Mohali, on Tuesday.
Police and Lahore Development Authority officials were busy in removing encroachments outside the Arfa Karim Tower, located near the CM's Model Town residence, when a powerful blast took place.
Pakistan's Punjab province Home Minister Shuja Khanzada was on Sunday assassinated along with eight others when a suicide bomber blew himself up at his house in Shadi Khal village in Attock district.
The raids were carried out in Punjab, Haryana, Rajasthan, Uttar Pradesh, Delhi and the Union Territory of Chandigarh by the NIA as part of a mega operation that began early Thursday morning, a spokesperson of the premier investigating agency said.
Modi, in his rally just days ahead of the last phase of the Lok Sabha election, also said that "well-wishers of Naveen babu are worried over his deteriorating health condition."
Aseemanand, a member of right-wing Hindu group Abhinav Bharat, has been in jail since December 2010.
With former prime minister Imran Khan in jail, Sharif's Pakistan Muslim League-Nawaz (PML-N) is tipped to emerge as the single largest party in the elections.
Marcus Stoinis' maiden IPL century lifts LSG to victory.
Twelve people were detained on Monday in connection with Sunday's deadly blasts at a Ludhiana multiplex which claimed seven lives. However, the police are not yet sure about the number of people involved in the blast, Deputy Inspector General (Intelligence) J K Mittal said in Ludhiana on Monday . He did not rule out the involvement of terrorist outfits, working in Punjab or Jammu and Kashmir, in masterminding the explosion.
Sunil Narine has proved to be unstoppable, blazing his way to 461 runs in 11 games at a strike rate of 183, with a century and three fifties.
Kejriwal blames Sukhbir Badal for blast, while Sukhbir, Amarinder blame the AAP chief for it.
Delhi Daredevils beat Kings XI Punjab by eight wickets in their Indian Premier League (IPL) match at the Ferozshah Kotla.
Cheteshwar Pujara continued his good form in Ranji Trophy as he slammed his second successive century as Saurashtra dominated their Elite Group A match against Manipur.
From Shashank Singh and Ashutosh Sharma sharing the limelight with their raw talent, to SRH's Travis Head smashing some brutal boundaries to notch up big runs and totals for his franchise, this season has had some real power hitters on show.
David Miller smashed a 34-ball 46 under pressure and Parvinder Awana scalped three wickets as Kings XI Punjab notched up a four-wicket victory over Barbados Trident in the Oppo Champions League twenty20 in Mohali.
Recalling the scenes that followed the attack on 'Nirankaris', the eyewitnesses said they were panicked, shocked and scrambled through a thick blanket of smoke.
The high-voltage campaign for the February 4 assembly elections in Punjab came to an end on Thursday evening following hectic campaigning by various political parties.
The PBKS-game will be remembered for Shikhar Dhawan's very special 99 not out.
A total of 45 suspects have been taken into custody by Pakistan police in connection with the deadly suicide blast at Wagah border which killed 63 people.
Badal announced an ex-gratia grant of Rs two lakh each for the next of kin of those killed in the blast. Talking to media persons after the visiting the blast site, he said Punjab Police was probing the incident and that it would be able to give details only after investigations.
Over 300 people were also injured in the attack and many of them were in a critical condition.
Captain Mahendra Singh Dhoni blasted a quickfire half-century to carry Chennai Super Kings to a thrilling six-wicket victory over Kings XI Punjab in the Indian Premier League in Dharamsala, on Sunday. Dhoni finished off the match in style with two huge sixes off Irfan Pathan as Chennai reached 195 for four in 19.4 overs to win with two deliveries to spare and qualify for the semi-finals.
The spokesman even taunted Prime Minister Nawaz Sharif on Twitter. "After the Lahore attack, Nawaz Sharif repeated old words to give himself false assurances," he wrote.
