Consists of information about geographical, topographical features such as river systems, Geology, Fauna and Flora such as wild animals and plant species; demographic patterns such as births and deaths, socio-religious variations such as distinctions of caste, religion and language, major occupations in agriculture, industry and commerce; governmental administrative systems. Lahore came under British rule in March 1848, following the British victory in the Anglo-Sikh battle of Gujrat.