The Islamists launched an attack on the town of Bama on Monday but came back in greater numbers overnight, the sources said.
Yadav asked for a glass of milk and some tablets, which he said would help him remember the names.
Union Health Minister Harsh Vardhan reiterated that no confirmed cases of the virus have been reported in India so far.
The current outbreak, described as the worst since Ebola was first discovered four decades ago, has now killed 1,013 people.
Suicide Bombers attacked two mosques in northeast Nigeria’s Yobe state killing at least six people.
Our demand to demilitarise the Strip is not only for Israelis; it’s also for you, Fathi. We prefer happy neighbours to suffering neighbours.
Police suspect the Nigerian national might have been partying with his friends on the terrace of the building.
Girls took the bold step when their abductors moved out to carry out an operation, said Senior official.
The rebels attacked barracks and a police station in the town of Damboa when most of the troops were out on patrol.
Boko Haram extremists want to enforce an Islamic state in Nigeria, Africa’s biggest economy.
Boko Haram, whose name means ‘Western education is a sin’, has been carrying out deadly attacks in Nigeria.
It is the latest in a series of violent attacks blamed on Islamic extremists.
The group was kidnapped in the last week during a Boko Haram attack on Kummabza village in the Damboa district of Borno state.
One student said people ran out of the School of Hygiene yelling “Get out! It’s a bomb.”
Othman Abubakar, a spokesman for the Adamawa state police, confirmed the explosion but he couldn’t say how many people had been killed or injured.