The Indian army has admitted it made a mistake in shooting dead two teenagers in restive Indian-administered Kashmir this week, a rare public admission of fault by the military.

The teenagers died after soldiers fired at a car on the outskirts of Srinagar on Monday, while another youngster was critically wounded.

A breakaway faction of the Pakistani Taliban that claimed responsibility for a devastating suicide bombing earlier this week threatened Wednesday to carry out attacks inside India.

At least 55 people were killed and more than 120 wounded at the main Pakistan-India border crossing on Sunday when a bomb tore through crowds of spectators leaving after the colorful daily ceremony to close the frontier.

Hundreds of angry protesters clashed with police in Indian Kashmir on Tuesday, a day after soldiers shot dead two civilians, police said.

Police in the main city of Srinagar fired tear gas to disperse crowds of protesters chanting anti-India slogans and hurling rocks, an officer told Agence France Presse on condition of anonymity as he was not authorized to speak to the media.

Seven villagers were shot dead Monday by left-wing rebels on a road in a remote part of eastern India, police said, the latest violence in a long-running insurgency.

The killings occurred around dusk in Jharkhand, a mineral-rich state with a significant tribal population that is one of a number of Indian states gripped by an ultra-left insurgency.

Children armed with whistles will soon be patrolling villages in central India to try to shame those defecating in the open, a report said Sunday.

Madhya Pradesh state government is expected soon to launch the unusual sanitation initiative, in which schoolchildren will blow their whistles loudly when they spot someone squatting in the open instead of using a toilet.

Heavy rains slowed the search Sunday for victims of a major mudslide on a tea plantation in central Sri Lanka that police say left 38 people missing and presumed dead, officials said.

A military official said rains were creating problems for rescuers using heavy equipment to dig through tonnes of mud at the site in the picturesque Koslanda region, around 200 kilometres (125 miles) east of Colombo.

Seven Indian sailors kidnapped by Somali pirates more than four years were freed on Thursday, officials said.

The sailors were released in Harardhere, a coastal town north of Mogadishu, and were flown to the capital.

India was Wednesday shifting thousands of people out of the way of Cyclone Nilofar due to hit the region this weekend, while Pakistan geared up for potential large-scale evacuations.

Nilofar -- listed as a "very severe cyclonic storm" by Indian weather officials -- is barreling across the Arabian Sea packing winds of up to 220 kilometers (132 miles) an hour.

Six children drowned Tuesday while cleaning a platform on the banks of a pond in eastern India in preparation for a Hindu festival, and two more are still missing, a police officer said.

Television footage showed relatives carrying the limp bodies of near-naked children on their shoulders to a hospital in impoverished Bihar state.

Indian Prime Minister Narendra Modi promised on Tuesday to strengthen Vietnam's military following talks between leaders of the two allies, in a move likely to rankle neighboring nuclear-armed giant China.

Modi said India would sell naval patrol boats to Vietnam under a $100 million line of credit to the Southeast Asian nation, which is trying to improve its defenses in the disputed South China Sea.