If you are looking for some attractive solution to India you may consider currently running promotion of classic airlines British Airways or Turkish Airlines, one of the best ranked airlines in the World. Enjoy the luxurious on board service of airline continuously chosen as "The best European airline by Skytrax" and book return flights from many European countries such as Netherlands, UK or Germany already for €375. With British AIrways you may fly from or Italy already from €344/€384. 
British Airwys flights are available in limited quantity within March 2016. If interested in promotional offer of Turkish Airlines please look for flights within February till 15th of December 2016. Hotel rooms in India are very cheap compared to most of European countries. If you want to book your hotel in India in advance you may check some affordable accommodation via booking agents such as Hotelopia. They are now also offering 6% promotional code for additional discount off hotel rooms. More details to be found here.
Booking samples
British Airways
Dublin - New Delhi from €344 (or €358 without airport change)
Turkish Airlines
Kuwait Airways (look for flights till 31.3.2016)
To check your connection possibilities we recommend to use Skyscanner. This tool gives you quickly an idea which low-cost airlines are available from your home city.
Booking sample of cheap return flights from Dublin or London to India for €344 here. In this case you would be departing from Dublin to Mumbai on 4th of March. Your return flight from Asia back to Ireland would take place on 17th of March 2016
