Police have also begun questioning a member of India's parliament, Kuldeep Singh Sengar, who along with his brothers, is accused of raping a teenager nine months ago in the city of Unnao in the northern Indian state of Uttar Pradesh.
"He will be presented before the court and charges will be pressed on Saturday", the officer added, without saying what charges he would face.
Opposition groups have joined protests and vigils in cities across India, calling for tougher action.
Bharatiya Janata Party leader Nandkumar Singh Chauhan has said that Hindus number less than 1 per cent of the population in Indian-held Kashmir, reported Financial Express.
Rights groups have accused the police of taking too long to investigate the attack on the teenager, who reported she was raped in June previous year.
According to the police charge sheet, she was abducted by a school dropout, a minor, and an accomplice who forced her to take sedatives while keeping her captive in a shed and then a Hindu temple for five days.
Amid fears the case could escalate unrest in Kashmir where security forces are battling a long-running insurgency, separatist leader Mirwaiz Umar Farooq vowed to launch a mass agitation if any attempt was made to shield culprits or sabotage investigations. "Justice must be served, hard and fast!"
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Hundreds of thousands of people have attended a midnight vigil in India protesting over two rape cases - including that of a child who was kidnapped, tortured and killed.
Meanwhile, IOK Chief Minister Mehbooba Mufti has said that police is following proper procedures in the case, and assured agitating protesters that justice will be delivered.
Referring to the bilateral trade negotiations between India and the European Union, Teaotia said despite EU withdrawing from negotiations in 2012, there has been continuous engagement and India was seeking to re-engage in the dialogue.
Meenakshi Lekhi, a senior BJP leader, accused Gandhi's Congress party and other opposition groups of "playing politics".
"I have been deeply, deeply disturbed by the rape case in Kathua and all the recent rape cases that have happened on children", the women and children's minister Maneka Gandhi said in a Twitter video message. The maximum punishment now is life imprisonment.
High-profile names from the world of cinema and cricket joined the outrage over the Jammu crime in a country were almost 40,000 rape cases are reported every year, according to official figures.
Forensic reports say she had been drugged with anti-anxiety medication, repeatedly raped, burned, bludgeoned with a rock and strangled.