Go through your results for flights to Ahmedabad in India with Netflights. The most popular airlines for this route are Emirates, with Emirates claiming the top spot. Although Emirates usually has the best prices, it's best to double check what's available for your travel dates.
If these flights are too expensive, try searching for a different time of year. So if your dates are flexible, consider looking at different times of year.
Ahmedabad receives 15 direct and indirect flights every week, but the cheapest airline is normally Emirates. So, if the flights to Ahmedabad don't work for you, you could always try searching for flights to other airports in India.
You can also broaden your search by looking at more than one departure airport. The most popular airports with direct flights to Ahmedabad are Dubai (DXB). Have a look around – you might be able to save by flying from a different airport or city.