IndiGo has done two announcements. One, in view of the Coronavirus outbreak, it has suspended flights from Chengdu from February 1 to February 20.

Two, this low-cost airlines has announced a four-day special Valentine sale on travel across its network within India with all-inclusive fares starting at Rs 999.

"The airline is offering one million seats on discounted fares from February 11 to February 14. The sale is valid for travel from March 1 to September 30", an IndiGo statement on Tuesday said.

"We are delighted to announce the four-day special sale effective from today till February 14, kickstarting Valentine's celebrations a little early," the chief commercial officer of IndiGo, William Boulter, said.

Both corporate and leisure customers who wish to plan their travel can book tickets via the official website, the statement added.