Imp-deficiency in service from air travel agency

U/s.12 of Consumer Protection Act - 1986, First Issue Legal Notice through your Advocate making both the Spice Jet and Your Travel Agent as parties.  

Keep all the evidences i.e., your messages, phone calls, air ticket.  You said your ticket has been cancelled via your phone, how can this possible, when you have not cancelled.  Have you taken any acknowledgement/written reasons for your ticket cancellation from Travel Agency/Spicejet.  If you have proper and reliable evidence No doubt you will get relief. 

Send a legal notice to spcejet and travel agent and demand he amount of ticket and compensation towards mental and physical agony caused to you .In case non compliance of notice ,file complaint before District Consumer Redressal Forum.

The service provider was the travel agency hence all actions are to be made against the agency only.  This is a gross deficiency of service, hence the agency is to be issued with legal notice demanding proper compensation, if it fails to invoke any response, you may approach the consumer forum with a complaint, don't worry about the sections involved, just follow the procedure meant for in the consumer forum.