High flyers, big hello to everyone..

I am trying to fly to prague from Mumbai/India sometime in July. Need your expert inputs on how to get best business fares for 2 pax...its my gf's bday ..

some airlines have expensive economy but lower business and vice versa..


How should i go about it? is there any way i can get like a deal for 2 on business or discounted fares...

any/all ideas a re welcome..

keep flying ..cheers!!