Has anyone found a solution to combat against the Mosquito invation at home? Its downright become a Warfare.

I live in an area where it has gotten so bad, we have tried and tested every damn product available in the market to combat the on slought of Mosquitos. We keep all windows closed after 6, we have covered all windows and still by 10-11, we get a million Mosquitos that we have to play badminton with before going to bed in our mosquito nets. Has anyone found any concret product or solution that works for them? We have a 1bkh flat we need to protect. Pls help!!