India tested a nuclear bomb in 1998 at

India carried out nuclear tests in 1998 at Pokhran in the state of Rajasthan. The operation was code named Operation Shakti. These tests marked India as a declared nuclear weapon state and drew global attention. They led to economic sanctions by several countries but also strengthened India position as a regional power. The tests triggered Pakistan to conduct its own nuclear tests shortly after. Pokhran became globally recognized due to these historic events. Such questions highlight important milestones in South Asian security and nuclear history. Therefore the correct answer is option B Pokhran where the 1998 tests were held.