Police said the bomb landed outside the security camp and caused no loss or injuries.
ADGP (law and order), A Arun, told reporters in Coimbatore citing preliminary investigation, Vijayakumar was undergoing treatment for "depression" for the past few years.
Prime Minister Narendra Modi on Sunday called for the setting up of a high-power police technology mission under the leadership of the Union home minister to adopt future technologies for grassroot policing requirements.
However, there is no restriction on the movement of people anywhere in the valley, the officials said.
The incident took place when a police team had gone to raid history-sheeter Vikas Dubey's house.
As many as 118 assistant commissioners of police, including 30 from Mumbai, were transferred by the Maharashtra government.
Meera Borwankar will take over from Joint Commissioner of Police Satya Pal Singh as part of a major reshuffle in the Maharashtra police set up in which at least 53 senior police officials were transferred.
The banned Baloch Liberation Army (BLA) claimed responsibility for the attack, saying the blast was a suicide attack targeting a convoy of Chinese engineers and investors leaving the Jinnah International Airport.
The situation in Assam's trouble-torn Bodoland Territorial Administered Districts was "moving towards normalcy" and police have set up 119 new police pickets to help rehabilitation of the affected people, official sources said on Tuesday.
According to an order issued by the director general of police YB Khurania on Wednesday the five police personnel have been suspended on charge of gross misconduct.
Three persons, including a youth leader of the ruling Shiromani Akali Dal, were on Wednesday arrested in connection with a brawl at a local hotel in Ludhiana, in which a senior officer of Punjab Police was seriously injured.
Priyanka Gandhi asked whether Prime Minister Narendra Modi will remain silent on the matter.
The Rajasthan police has got concrete evidence against eight accused named in the FIR registered after the abduction and murder of two Muslim men whose charred bodies were found in Haryana's Bhiwani, officials said on Wednesday.
The six accused arrested in connection with the gang rape of a Swiss woman were on Monday remanded in police custody for a day by a local court. They were produced before Chief Judicial Magistrate R P Yadav, Deputy Inspector General D K Arya told PTI.
"Maoists were given money to train certain youth of a particular community to eliminate Saraswati," inspector general of police, crime branch, Arun Ray told PTI asserting the mastermind of the killings had been identified.
Earlier on Saturday, six bodies were recovered and two more were retrieved a short time later, the police said.
The Karnataka police on Sunday claimed they solved the last year's mysterious Hubli bomb blast case with the arrest of a man and his aides who allegedly involved in several criminal activities.
The Naxals have claimed that they do not have any hostages.
Pakistan's claims about placing Jamaat-ud-Dawa chief and alleged mastermind of the terror attack on Mumbai Hafiz Mohammad Saeed in custody might be yet another false claim, as a senior police official has clarified that the authorities have only 'restricted' his movement.Punjab Inspector General of Police Tariq Saleem Dogar said Saeed has neither been arrested nor put under house arrest, rather the police is providing an extra security cover to the Lashkar-e-Tayiba's founder
A day after the car bomb blast that killed at least three people and injured ten others near the Central Jail in Srinagar, the top brass of the police on Sunday said that the Lashkar-e-Tayiba had masterminded the attack.
The explosive, however, remained "undetected" during the demining exercise conducted a day before the attack on Wednesday, they said.
Justice Jay Sengupta directed that the probe will be monitored by it and the SIT will file a progress report of the investigation on February 12, the next date of hearing in the case.
They have offered jobs and land to the widows and families.
The Jammu and Kashmir police on Tuesday said it has found out the identity of the masterminds behind the fidayeen attack in Srinagar on March 13. Five Central Reserve Police Force troopers and two militants were killed in the attack.
The police ruled out any terror link to the radio set explosion at Kalegaon village in Beed district even as one person was arrested for planting the parcel on a Maharashtra transport bus.
At least 30 people were killed and 60 others injured in a pre-dawn stampede at the Sangam area of the Maha Kumbh early on Wednesday as crores of pilgrims jostled for space to take a holy dip on the occasion of one of the most auspicious days of Mauni Amavasya, officials said.
The Calcutta high court on Tuesday set aside the promulgation of prohibitory orders under Section 144 of CrPC at Sandeshkhali, which has been witnessing protests over the last one week.
The enquiry report on the arrest of two girls for their Facebook comments against the shutdown for Shiv Sena Chief Bal Thackeray's funeral has indicted the policemen involved in initiating action and observed that the arrests could have been avoided.
'These new laws give complete (impunity) to the police.' 'Whatever little accountability the police had, all that is gone now.' 'There is no accountability mechanism against the police for abusing or misusing in the new laws.'
The mystery over the source of Rahat Fateh Ali Khan's funds continues after a Rajkot, Gujarat, police officer denied that the local police had tipped off the Directorate of Revenue Intelligence about the Pakistan singer's cache of cash, as reported by a Mumbai newspaper.
Another police official said they suspect it to be case of suicide.
Police appointed an inspector general to probe into an unverified letter that surfaced on social media, purportedly written weeks before his death by Deputy Superintendent of Police Devendra Mishra. It had alleged links between the Chaubeypur station officer and the gangster.
Police have registered a case on charges of culpable homicide not amounting to murder against the driver of a BEST bus involved in an accident in Mumbai which claimed six lives and left 43 others injured, officials said on Tuesday.
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.
An official said the slain duo were involved in killing civilians, including a government employee.
'I wanted to hide below my cart, but a bullet hit my leg.'
The police have so far arrested 115 people in connection with the violence that erupted on May 13 night in the sensitive Old City area over a social media post and registered six cases at the Old City and Ramdas Peth police stations.
An Indian national, Laagan Yadav, 45, has been taken into custody by the Nepal border police, they said. Sashastra Seema Bal (SSB) Director General (DG) Kumar Rajesh Chandra told PTI in Delhi that the incident took place around 8.40 am 'deep inside Nepalese territory'.
The police have so far arrested four persons for allegedly assaulting a bangle seller for apparently using a 'fake' name while selling his goods to women in Govind Nagar of Indore in Madhya Pradesh, an official said on Tuesday.
