You need to get a CT-PNS with Mastoids scan in direct coronal view 1mm cuts, to get the exact picture of what is happening. Whether the deviated nasal septum is significantly deviated enough to mandate surgical correction, any sinusitis or blockage of sinus openings which need to be unblocked etc.
Next Steps
If you are near or in Bangalore, please come down to my clinic Healthcare@Basaveshwaranagar, and let me help you. If not, use this app on your smartphone to find a good ENT Surgeon in your neighborhood to do the same.
Health Tips
Look up the past patient feedbacks of each doctor before you zero in on the right one for you.