ajwain ko bhun k usme ek gilas water ka dal k sim pe karke rakh do jb tak vo half se kam rah jaye tab chanke usme sugar/salt mila k bavhe ko pila do aur uska face cover karke rakhna half hour tak kam se kam

Hi Priyanka. Here are a few natural remedies you can adopt for ur child.
http://www.babychakra.com/learn/338-15-natural-remedies-to-treat-your-little-one-s-cold-and-cough

You may also check this article to learn about how to to prevent cold and cough and build immunity.
http://www.babychakra.com/learn/869-excerpts-from-livechat-with-dr-bhavi-mody-immunity-of-children-against-cold-and-cough

Hi Priyanka. I recommend steaming. It really helps especially in the night. Hope this article helpshttp://www.babychakra.com/learn/929-why-you-must-opt-for-steam-for-you-and-your-child

hi Priyankan, dip cotton in hot water and drain little water out flatten d cotton. the cotton must be little hot. keep it on d nose for sometime till d heat in d cotton goes. repeat for 5 to 6 times 4 times a day. preferably before ur lo sleeps

apply eucalyptus oil on his clothes...very safe n effective