I am suffering from cold and coughs and i have headache too but i don't know what shall i do ??

Certainly possible: It is possible for a cold to be associated with headaches For more information on colds, refer: http://www.healthline.com/health/cold-flu?ref=global

Remain Calm: Do you know what to do when the nasty cold bug strikes or when a cold becomes something more serious? Here, you'll find the latest information on the common cold -- symptoms, prevention, treatment, and even home remedies. We want to help you ease the misery of your next cold. http://www.webmd.com/cold-and-flu/cold-guide/default.htm

Cold & cough: Rest , fluids and analgesia are the key to colds and coughs as most of them are viral. Watch for danger signs- rashes, senstivity to light, shortness of breath , chest pain.

Tips: Congestion – saline nose drops or netti pot. For anti-inflammatory effect & mobilizing mucus- homemade chicken noodle soup. Hydrate- lots of water/clear broth/ add honey & a small amt. of lemon juice to Chamomile tea. Rest. Take care.