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The correct answer is option 1: Only 1, 2, and 3.
Option 1 states that only Bastar, Bellari, and Singhbhum have iron ores. Let`s examine each option to understand why this is the correct answer.
Option 2 states that only Bastar and Thiruchirapalli have iron ores. However, this is not accurate according to the question, as the Singhbhum area is also known for its iron ore deposits.
Option 3 states that only Singhbhum has iron ores. This is incorrect as well, as both Bastar and Bellari are also known for their iron ore reserves.
Option 4 states that all four areas mentioned in the question have iron ores. This is also incorrect, as Thiruchirapalli is not known for its iron ore deposits.
Therefore, the correct answer is option 1, which correctly identifies Bastar, Bellari, and Singhbhum as the areas that have iron ores.