To determine the correct sequence of events, we need to identify the approximate time period for each item listed:

• (A) British introduced railways in India: The first passenger train ran in India in 1853.
• (B) Latest population census: The most recent completed census in India was conducted in 2011. (The 2021 census was delayed).
• (C) Population explosion according to the 2nd stage of demographic transition theory: For India, the second stage, characterized by declining death rates but persistently high birth rates leading to rapid population growth, is generally considered to have started significantly after independence, roughly from the 1950s/1960s onwards, intensifying in the later part of the 20th century.
• (D) Year of "Great Divide": This refers to the year 1921, which is considered a demographic turning point in India's population history. Before 1921, population growth was irregular; after 1921, it became continuous and rapid.
• (E) First census conducted by British India: While a non-synchronous census occurred in 1872, the first synchronous census covering British India was conducted in 1881. The question typically refers to the 1881 census as the 'first census'.

Chronological Ordering of Indian Historical and Demographic Events

Let's arrange these events based on their approximate dates:

1. British introduced railways in India (A): 1853
2. First census conducted by British India (E): 1881
3. Year of "Great Divide" (D): 1921
4. Population explosion (2nd stage demographic transition) (C): Post-1950s/1960s
5. Latest population census (B): 2011

Arranging these based on the determined timeline gives us the sequence: A (1853), E (1881), D (1921), C (Post-1950s/1960s), B (2011).

The correct chronological sequence is therefore A, E, D, C, B.

Verification of the Sequence

Comparing the derived sequence with the options provided, we find that the sequence A, E, D, C, B matches one of the options.

Understanding Key Terms

• Demographic Transition Theory: This theory describes the historical shift from high birth rates and high death rates to low birth rates and low death rates as a country develops from a pre-industrial to an industrialized economic system. India's population changes can be analyzed using this model. The second stage is characterized by a significant drop in death rates while birth rates remain high, leading to rapid population growth (explosion).
• Year of Great Divide (1921): Before 1921, India's population growth was sometimes negative due to famines, epidemics, and poor healthcare. After 1921, improvements in public health and reduced mortality led to consistent and relatively high population growth rates.

Revision Table: Timeline of Events

Additional Information on India's Population History

India has a long history of population recording. While the first comprehensive, synchronous census was in 1881, efforts were made even earlier. The introduction of railways significantly impacted economic activity and mobility across the country. The period of population explosion has presented both opportunities and challenges for India's development. Understanding these key milestones is crucial for studying India's socio-economic history and its demographic profile.