Cancellation of confirmed ticket from New York(JFK) to Delhi

Location/place: JAIPUR(RAJASTHAN)

Name of company/service: AIR INDIA

I was booked to travel by Air India flight No:102,bearing Tkt No:098-2102507099 & PNR:HD003 on 9th June,2012 from New York(JFK) to Delhi along with my wife Mrs.Suchitra Prakash.When I reached the counter to check in I was informed that my tkt has been cancelled & I can not travel,though my reservation is there on the computer.
My wife’s tkt was ok.