However, four were still in ICU, said reports.
Union health minister JP Nadda formed a 5-member committee of AIIMS doctors, on Saturday, to deal with Delhi's Tughlakabad gas leak incident.
"Central GoI hospitals have been instructed to be ready to help all victims of Delhi gas leak incident. My prayers are with children & families,"tweeted the minister.
"Have spoken to the Union Health Minister, he has created a team of doctors under AIIMS to ensure relevant care in case of any emergency," tweeted Delhi's deputy CM Manish Sisodia.
On Saturday morning, around 310 students of Rani Jhansi Sarvodya Kanya Vidyalaya had to be rushed to the hospital after a gas container leaked near the school.
All the students started feeling suffocate and had to be admitted to the hospital immediately.
Speaking on the incident, school Vice principal said, “As soon as the leak took place students complained of irritation in their eyes and throats and the teachers with no delaying rushed them to the nearest hospital”.
Students reached hospital in a bad condition and therefore, had to be hospitalised; few of them were given medicines and sent back home.
As soon as the incident took place CATS ambulances and police were informed who rushed to the spot with masks on their faces.
The reason of the leak is yet to be confirmed.
All the students have been sent back home. Also, the cops have initiated a probe to find out how the leakage took place.
Speaking on the matter Deputy CM of Delhi Manish Sisodia said that, "I will go to meet the students in hospital. The school has been evacuated. The students complained of eye-irritation and suffocation post which they were hospitalised. Have asked the DM to submit a report."