Where is Akbar’s Mausoleum situated ?

The correct answer is (b), Sikandara.

Akbar’s Mausoleum is a tomb located in Sikandra, a town in the Indian state of Uttar Pradesh. It was built by Akbar’s son, Jahangir, in memory of his father. The mausoleum is a large, white marble structure with a dome and four minarets. It is one of the most important examples of Mughal architecture.

The other options are incorrect. Agra is the city where the Taj Mahal is located. Lahore is the capital of Pakistan. Delhi is the capital of India.