The Mumbai Police on Friday arrested a man under the Protection of Children from Sexual Offenses (POCSO) Act for raping his mentally challenged daughter.
The police arrested the man yesterday and produced him before the court.
The court had given him two-day police custody.
The girl was taken to the Cooper Hospital.
After medical check-up, the doctor said she is pregnant.
Further details are awaited.
Kejriwal said Modi, at whose order the CBI raided his office on December 15, was ready to befriend hostile Pakistan, but won't let the Delhi chief minister work.
At a gathering at Rajghat here on their daughter's third death anniversary, the parents also demanded that punishment be meted out to rapists at the earliest.
The 14-year-old girl, hailing from Dum Dum in Bengal's North 24 Parganas district, was allegedly raped by two army men after forcing her to drink alcohol inside a reserved military compartment of the Howrah-Amritsar Express.
Chief Minister Oommen Chandy said they will now be able to "tackle the evils of alcoholism" and dared the Left opposition to tinker with the policy in case they come to power.
The criticism by Shiv Sena, which shares power with BJP both at the Centre and in Maharashtra, follows a strident attack on Modi by opposition Congress.
A woman was on Monday kidnapped by three unidentified men in a car from outside a college here in full public view, police said. The woman was later rescued and the three abductors were detained.