History noted. The cause of your headache may be refractive error
since you are working in a IT company. Kindly subject yourself for an eye check up, if you have short sight or long sight, once corrected, your headache will be cleared. If super added sinus
problem is bothering you, take steam inhalation weekly thrice which will help you clear the fluid and relieves from heaviness. Get your eye power
corrected at the earliest, meanwhile use anti inflammatory pain relief medications.