History

Vasco da Gama was the first European to discover a direct sea route to India in 1498 by sailing around the Cape of Good Hope, establishing a maritime path for trade between Europe and Asia.

Shah Jahan was the Mughal emperor immediately before Aurangzeb. Aurangzeb was Shah Jahan's son and succeeded him after a war of succession.

Ustad Isa (also known as Ustad Ahmad) is traditionally credited as the chief architect of the Taj Mahal in Agra, commissioned by Mughal Emperor Shah Jahan. The other options are either unrelated architects or historical figures.

Sheikh Mujibur Rahman is known as Bangabandhu, which means 'Friend of Bengal,' due to his leadership in Bangladesh's independence movement and his dedication to the Bengali people.

The original name of Sultan Siraj-ud-Daulah, the last independent Nawab of Bengal, was Khizr Sultan. This is a well-documented historical fact, distinguishing him from the other options listed.

Ibadat Khana was a special prayer house built by Mughal Emperor Akbar in Fatehpur Sikri, used for religious discussions and debates.

The East India Company acquired the Island of Bombay in 1668 from Portugal as part of the dowry of Catherine of Braganza when she married King Charles II of England. This transfer marked the beginning of British control over Bombay.

The book "Rajatarangini" is a historical chronicle of the north-western Indian subcontinent, particularly Kashmir, written by the Kashmiri historian Kalhana in the 12th century.

Razia Sultana was the first and only female ruler of the Delhi Sultanate in India, making her the first woman ruler of India. The other options were influential women but did not rule as sovereigns.

Indira Gandhi famously declared that she had drowned the 'Two Nation Theory' in the Bay of Bengal after the 1971 Bangladesh Liberation War, which led to the creation of Bangladesh and challenged the basis for Pakistan's partition.