Rights groups in India deplored the sexual violence against women in the country.
Yogesh Shenoy sat with his mother's body for hours before turning himself in.
Twitter was polarized over whether portraying the controversial character alongside Indian Prime Minister Narendra Modi's arrival was racist.
The culpable doctor had more than 15 years of medical experience.
"We cannot go and force our way in," said local police chief Dependera Pathak.
The likely mastermind was arrested by Pakistan soon after the attack but was released on bail, and is now believed to be living in relative comfort under the protection of the Pakistani intelligence services.
Watchdog and ethics groups have long accused Trump family members of using the Oval Office to promote their family's overseas business ventures.
Last week, WhatsApp rolled out its new "Sticker" feature for Android and Apple iOS.
Diwali is one of the most important festivals in Hinduism.
The girl had been in hospital for four days and was reportedly on a ventilator when attacked.
At least 50 people are dead.
China and Pakistan have reportedly signed a deal to jointly produce 48 Wing Loong II unmanned combat aerial vehicles.
India is defying U.S. sanctions by buying Russia's S-400 surface-to-air missile system and is increasing its imports of Iranian oil.