The correct answer is (b) only. Explanation & Key Takeaways: 'Trading Economy' of British Government: • British ruined the Indian economy by imposing a policy of one-way free trade on India after 1813 this allowed British manufacturers, especially cotton textiles, to export goods to Indian markets at a nominal fee. Hence, statement (d) is not correct. • But the products of Indian textile manufacturers were charged with heavy duties when they were exported to England. • The British Raj had no consistent trade "policy" until the mid-nineteenth century. • The East India Company's administration had solidified its hold over Indian territory, and an all-India trade policy emerged. • The policy clearly favoured Britain among India's numerous trading partners, yet it did not impose unique advantages to British industrial sectors over their Indian counterparts. Hence, statement (a) is not correct. • The main of the trading economic policies of the British government was the Maximum Profit. Hence, statement (b) is correct. • Cotton textiles are symbolic of India's international trading relationships in the period. • Between 1840 and 1865, the principal commodities of import included cotton twists and yarn, cotton goods, machinery, raw metals (particularly copper and iron), metal manufacturers, and railway materials. • Between 1870 and 1895, India was the biggest customer of Britain's Lancashire cotton industry. Hence, statement (c) is not correct.