On the night of January 1, more then 40 people died and over 100 others injured in a non-arson fire at the Le Constellation bar in Crans-Montana, Switzerland.
Four cities in neighbouring Pakistan and one in China are among the world's top 20 polluted cities.
La Nina, construction worsen air quality; spike in respiratory ailments.
Two international flights were called back while one which was preparing for departure from the Indira Gandhi International Airport in New Delhi was taken to an isolation bay due to a bomb scare early Saturday, sources said.
The Group operates Lufthansa Airlines, Swiss Air and Austrian Airlines in India and flies across seven destinations -- New Delhi, Mumbai, Bangalore, Chennai, Kolkata, Hyderabad and Pune.
The Wadia-group promoted private carrier GoAir's Chief Executive Officer (CEO) Edgardo Badiali, is believed to have has resigned from his post.
A decision to merge Air India and Indian is likely to be taken in the current fiscal to turn the combined entity into a mega carrier with about 130 aircraft to take on the major global carriers like Singapore Airlines, Emirates and British Airways.
Following the incident, all flights at Stansted had to be temporarily grounded, according to British media reports.
It's obviously not the Kumbh Mela.
Michael Schumacher left hospital to continue his recovery at home but the former Formula One champion faces "a long and difficult road ahead" after his skiing accident last year, a statement said on Tuesday.
Top 20 images of all the events of the week that was.
But the Abu Dhabi-based airline would first bolster its own network with traffic from India before Jet's turnaround.