AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Many early Indian industrialists accumulated their initial capital through trade with China — exporting opium and importing tea — before investing in industrial enterprises.
Source: The Early Entrepreneurs, Chapter 4
The passage explicitly states that Dwarkanath Tagore, Tata, Seth Hukumchand, and G.D. Birla's family all traded with China before turning to industry. This is the single most important common source the examiner expects. One crisp line is sufficient for 1 mark.