Cholera, caused by the bacterium Vibrio cholerae, can be both epidemic and endemic. Epidemic cholera refers to sudden outbreaks affecting large populations, often due to contaminated water. Endemic cholera signifies the continuous, stable presence of the disease in specific regions, indicating a persistent, albeit lower, level of infection over time.

As per the Census of India 2011, Haryana had the lowest sex ratio among all the Indian states. The sex ratio is defined as the number of females per 1,000 males. Haryana's sex ratio was reported to be lower than the national average at that time. Efforts have been made to address gender imbalances and improve the sex ratio in various regions of the country through awareness campaigns and policy measures.

the Bengal Tiger (Panthera tigris tigris) is the national animal of India. The Bengal Tiger was adopted as the national animal in 1972 due to its significance in Indian traditions and its presence as a symbol of strength and grace.