Police have arrested four fellow officers for allegedly destroying evidence that could have led investigators to those responsible for the rape and murder of two women.
A paid advertisement published in leading Urdu newspapers of the Muslim-majority valley said the government would pay two million rupees (40,000 dollars) to anyone providing information about the killers.
The bodies of a 17-year-old girl and her 22-year-old sister-in-law were discovered in a stream on May 30. Police initially said they drowned, but later acknowledged they had both been raped and murdered.
The case triggered widespread anti-India protests in the valley after family members accused the security forces of being directly involved in the women's deaths.
A judicial probe into the case concluded that the four policemen and a forensic expert not only failed to carry out their proper duties but also destroyed important evidence.
Anti-India sentiment runs deep in the valley, where the majority of residents want independence for the Himalayan region.

Copyright AFP (Agence France-Presse), 2009