Weekly reports of listed communicable diseases from various departments and centres of Government Medical College, Chandigarh, involved in clinical care and laboratory diagnosis, compiled and forwarded by Department of Community Medicine, sub-nodal centre under National Surveillance Programme for Communicable Diseases (NSPCD), to Anti- Malaria-cum-Nodal Officer, NSPCD were analysed for a period of one year Out of 14,082 cases of various communicable diseases 9166 (64.62%) were of Acute Respiratory Infections (ARI), 3586 (25.78%) of Acute Diarrhoeal Diseases (ADDs) and 576 (4.10%) of Pulmonary Tuberculosis. The proportion of ARI appeared higher among females while that of other diseases was higher among males. Most cases of ARI (76.5%) and Pneumonia (3.09%) reported in winter, ADDs (38.89%) and Pulmonary Tuberculosis (4.68%) in summer and Typhoid (1.57%) and Viral Hepatitis (1.23%) in monsoon season. No significant gender predilection was seen. Overall reporting of communicable diseases seen to be significantly more during winter and summer compared to monsoon season, with specific seasonal trends demonstrated by various morbidities.