The incident took place in Gooriwan where the police team was on routine law and order duty for the procession marking the birthday of Prophet Mohammad, police said.
The constables, who were posted as security guards at the United Bank of India branch at Nongshillong, 125 km from Shillong, suddenly got involved in the scuffle on Wednesday.
This is the third such terrorist attack in as many days in Kashmir valley.
As the United Kingdom struggles with the greatest social unrest it has seen in years, rioters on Sunday set fire to and broke into hotels designed to house asylum seekers in northern England.
The recent terror acts are a sign of our enemy's desperation, he said, in an apparent reference to Pakistan.
The violence broke out in the district on Thursday night as the mob barged into the government complex and torched vehicles hours after a head constable of the district police was suspended after he was seen with gunmen in a purported video, an official said.
In a video clip that had gone viral on social media, Faizan, along with four other Muslim men, was seen being beaten up by policemen while being forced to sing the national anthem and 'Vande Mataram'.
President Droupadi Murmu conferred 26 Shaurya Chakras (seven posthumous) to personnel of the armed forces, Central Armed Police Forces and state/Union Territory Police during a defence investiture ceremony.
"The face off between policemen and ultras took place in Borgoan area of Keshkal town of the district at around 1 am," Konda Gaon Superintendent of Police D Shravan told PTI over phone.
"The accused was nabbed on Thursday night from Davanagere with the help of the Railway Police. He has been arrested in connection with the case," Hubballi Dharwad Police Commissioner Renuka Sukumar said.
Constable Laxman Yadav was stabbed on his neck with a knife while constable Satish Kumar sustained a stab wound on his left hand. Both have been admitted to a private hospital.
The police on Saturday claimed to have gunned down eight Maoists during an encounter in forests near Kutul-Farasbeda and Kodtameta villages in the district.
The explosion took place at 4 pm at the Jamiat Ulema-e-Islam-Fazl workers' convention in Khar, the capital of Bajaur tribal district.
Two Border Security Force personnel were killed while four others injured when militants opened fired at their vehicle just outside the Awantipora IAF airfield in Jammu and Kashmir on Saturday. Officials said a squad of BSF personnel was changing guard at the airfield in Pulwama, 33 kms from Srinagar, on Saturday afternoon when a group of militants opened fire at them from automatic weapons.
The naxals also blew up the communication tower, cutting off the link between Jashpur district, which borders Jharkhand, and other areas.
Four persons, including two policemen, were injured in fresh clashes which broke out in Kishtwar on Monday as locals defied the curfew to protest against the arrest of a youth for his alleged involvement in Friday's communal violence in the area.
In the first phase covering 20 of the total 90 assembly seats, 223 candidates, including 25 women, are in the fray and as per electoral rolls, 40,78,681 voters are eligible to exercise their franchise.
Two persons, including a police official, were critically injured in a grenade explosion in Pulwama district of Jammu and Kashmir, official sources said on Monday.
No group claimed responsibility for the attack but the Taliban usually target shrines as they consider it un-Islamic.
Three policemen, including an officer, were injured in a landmine blast triggered by Naxals in Gariyaband district of Chhattisgarh today, police said. When the troopers were removing the trees from the road, Naxals triggered the blast and fled into jungle, he said, adding that a search was on to trace them.
These jawans belong to Manipur SAP Company, IRB, a Gujarat Police release said in the night.
He said in most of the Naxal attacks, it has been noticed that villagers were used as human shields by the insurgents during the gun battle.
A teenage girl was allegedly molested by a policeman leading to mob violence and police firing in Assam's Kamrup district on Friday.
The personnel who lost their lives were from the CRPF 128 Battalion deployed at the Naransena area in Bishnupur district in the state.
A police constable was killed while two others including a Central reserve Police Force personnel were injured in a landmine blast triggered by Communist party of India-Maoist at Dainmari in Naxal-hit Ghatsila sub-division of East Singhbhum district on Thursday.
A police constable was injured in a suspected terrorist attack outside a shrine in busy Hari Singh High Street area of the city on Friday, officials said.
Two armed gangsters, who were gunned down by police in an encounter in Nalgonda district of Telangana, were active members of banned Students Islamic Movement of India and had been involved in a string of terror acts that included triggering of bomb blasts across the country, police said today.
One person was killed and another injured in a suicide attack on an office of the Special Branch of police in the Pakistani capital today.
One person was killed and another injured in a suicide attack on an office of the Special Branch of police in the Pakistani capital today.
The attack took place around 8.25 pm.
A constable and a Home Guard jawan, who reached the spot after the first accident of a collision involving two vehicles, were among those killed in the incident, they said.
This is for the first time that the state police have accepted that they have opened fire during the violent protests in the state. At least 17 people have been reported killed.
Prohibitory orders under Section 144 of the Code of Criminal Procedure (CrPC) have been issued in all districts of Uttar Pradesh to prevent any untoward incident.
Shots were fired "accidentally" by a Delhi Police constable outside Prime Minister Narendra Modi's 7, Race Course Road residence in New Delhi on Wednesday night, sending security officials into a tizzy.
The militants hurled grenades on Nagni police post in Kishtwar district early Monday morning injuring two SPOs and a head constable
An uneasy peace prevailed in the curfew bound old city area of Hyderabad with stray incidents of violence overnight in Aliabad and Sultanshahi localities of the city.
Moderate to high turnout was recorded in 13 assembly constituencies across seven states where bypolls were held on Wednesday amid sporadic incidents of violence in Uttarakhand, Bihar and West Bengal.
Police informed that two businessmen identified as Pradip Kumar Paswan and Sambhu Choudhury, and Constable of 2nd Assam Police Battalion Prabin Tejiwal were travelling in a truck from Tangna Bazar to Doom Dooma when they came under fire from ULFA.
Three policemen, including an officer, were injured in a landmine blast triggered by Naxals in Gariyaband district of Chhattisgarh on Sunday, police said.
Two Naxals were also gunned down in these face-offs.