This season consider to shade all garbge n boost ur immune so deal it best by detox n chyavanprash like Rasayan.. trust ayurved which will avail boost u entirely... so consider to consult ayurveda dr nr by u. Till then shallow fried haldi in ghee by mixing gud jaggery at empty stomach n at night (almond oil) will work for u.

To help relieve nasal congestion, try saline nasal drops.  Keep your room warm, but not overheated. If the air is dry, a cool-mist humidifier or vaporizer can moisten the air and help ease congestion and coughing.  Avoid alcohol and caffeine, which can cause dehydration, and cigarette smoke, which can aggravate your symptoms. Drink plenty of fluids. Consult Physician for medications...