I m 24th week pregnant...i m suffering from cough n cold since last week...plz suggest me which kind of treatment I hv to do...

Please don't self medicate talk to your doctor and take meds accordingly.
Also read this article
12 Effective Home Remedies For Common Cold and Cough

Please go the doctor and get yourself treated, cold and cough during delivery is terrible.

Take warm turmeric milk and consult doc for medication