Yasir Lohar's arrest followed a major all-night manhunt, police said in a statement, adding that his interrogation had begun.
The case has been handed over to the state CID from Baguiati police station under Bidhannagar police commissionerate, the official said.
A local 'hybrid terrorist' of proscribed outfit Lashkar-e-Taiba (LeT) was arrested for the attack during a search and cordon operation, police said.
The police have detained three more people in connection with the killing so far.
Banerjee, who also holds the home portfolio, said that the SIT will submit its report to her within 15 days.
Punjab Chief Minister Charanjit Singh Channi, state Congress chief Navjot Singh Sidhu and senior leader Sunil Jakhar met with former party president Rahul Gandhi at his Delhi residence on Wednesday.
The cops cannot be part of any groups or forums that are formed with intentions to promote or agitate for a cause of a religion, caste, creed or sub-caste, it 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.
One of the most wanted terrorist, Mudasir Pandit, and a Pakistani ultra were among the three terrorist killed in an overnight encounter with security forces in the Sopore area of Jammu and Kashmir's Baramulla district, police said.
The top court was hearing the plea of an organisation 'Lawyer's Voice' seeking a thorough investigation into the breach in Prime Minister Modi's security in Punjab and ensuring there is no such event in the future.
Some media reports also claimed that local agents had sent several such families to the United States via Canada and some of the families went missing during illegal border-crossing.
While granting the time, the court also noted that contents of the application moved by the agency for extension of time was published in the print media even before it was filed in the high court or even seen by it.
The Punjab police is learnt to have detained a man from Tarn Taran district in connection with the explosion at the intelligence wing headquarters in Mohali, sources said on Wednesday.
'In the 1971 War my battalion suffered 4 casualties after fighting for 14 days.' 'In Operation Blue Star, I lost 19 men in just one hour.'
'In Maharashtra he didn't buckle under pressure.' 'We expect him to do the same as the CBI Director.'
"Commission maintains the position that they would not like to keep on being put in the dock for alleged proximity to any political entity," Deputy Election Commissioner in charge of West Bengal Sudeep Jain wrote to Banerjee.
'Many times when Khalistan slogans are raised, it is from those who feel alienated, not because they want a separate state.'
The DGP wrote that places like railway stations, bus stations, new colonies and roadside locations where Bangladeshis and other foreign nationals seek shelter should be identified.
Even as the ruling Jharkhand Mukti Morcha opposed the police's move, the law enforcers said the errors would be rectified and the posters put up again.
Tensions broke out past Monday midnight over putting up of Islamic flags on the Jalori gate circle
The incident happened two days after Telangana Labour Minister Ch Malla Reddy had said that the accused in the case would be caught and that there should be an 'encounter' against him.
Tinu escaped from the custody of the Crime Investigation Agency unit of the Mansa Police on Saturday night when he was brought on a production warrant from Goindwal Sahib jail in Tarn Taran district in another case.
"It is complete red herring. I thought the state will see some sense. But, these are different nature of battles. Sorry, dismissed," the bench said.
The Mumbai-based activist, currently in jail in Gujarat, has sought bail.
The BJP expelled Vinod Arya and his son from the party, a day after the leader's another son was arrested in the murder case of a woman receptionist at a resort in Uttarakhand's Pauri.
A 150-metre long underground tunnel suspected to be used by terrorists for infiltration was detected.
Facing flak over its alleged link with arrested Lashkar-e-Tayiba (LeT) terrorist Talib Hussain Shah, the Bharatiya Janata Party on Tuesday issued a show-cause notice to party's Jammu Minority Morcha president Sheikh Bashir after an order purportedly written by him about the appointment of Shah as official of the unit emerged on social media platforms.
Saifullah, the Pakistani terrorist who masterminded at least three attacks on security forces during the past month, was killed in the encounter with security forces, a police official said.
The J-K top cops also said less than 200 militants are currently active in Jammu and Kashmir.
After her detention on Saturday, she had been taken to the Santacruz police station in Mumbai for informing the local police about her detention.
Amid the ongoing turmoil in the Punjab Congress, former state party chief Sunil Jakhar on Thursday said there should be an end to attempts to undermine the authority of the Punjab chief minister time and again.
In a letter to the Jammu and Kashmir DGP, Abdul Rashid Shora said, "I am under a constant threat of life from my daughter Shehla Rashid Shora who is supported by the elder daughter namely Asma Rashid and my wife namely Zubaida Shora as well as her security guard namely Sakib Ahmad. This threat perception started in 2017 when Shehla jumped all of a sudden into Kashmir politics."
The bodies of four members of a family from Gujarat's Gandhinagar district who died of the extreme cold near the Canada-US border would not be brought back to India, their relatives said on Friday.
The Shri Mata Vaishno Devi Shrine Board, however, denied the charge, saying all necessary arrangements were made in view of the expected rush, while Jammu and Kashmir Director General of Police (DGP) Dilbag Singh blamed a minor altercation for the 'unfortunate' incident.
Mumbai police commissioner Hemant Nagrale has ordered an inquiry into the complaint lodged by Narcotics Control Bureau's zonal director Sameer Wankhede that he was being stalked by two policemen and some other unidentified persons, an official said on Thursday.
Patna senior superintendent of police Manavendra Singh Dhillon courted trouble for having said that Popular Front of India members arrested from Phulwari Sharif in Patna underwent "physical training similar to what happens in RSS shakhas (branches)".
Social distancing norms were violated openly by the seers when they and their followers descended the steps at Har ki Pairi to wade into the river.
Chief Secretary A K Tripathy and Director General of Police (DGP) Abhay rushed to the pilgrim town to make the necessary arrangements. "The DGP and I are rushing to Puri to take stock of the situation as per the direction of the chief minister. We will camp there," Tripathy said.
A young man, who allegedly inflicted knife injuries on former Haryana director general of police SPS Rathore, convicted in the Ruchika molestation case, was on Friday granted bail by a court in Chandigarh. Sharma, a student of Ahmedabad's prestigious National Institute of Design, had stabbed 68-year-old Rathore thrice in the face with a pocket knife on Monday, while posing as a journalist. The incident occurred when the former top cop was leaving the court.
They were identified as Makhan Singh Gill alias Amli and Davinder Singh alias Happy, both residents of Noorpur Jattan village in Hoshiarpur, Punjab Director General of Police Dinkar Gupta said.