Humayun’s Tomb situated in Delhi is built by _____________.

Biga Begum

The correct answer is Option 2- Biga Begum

Humayun's Tomb in Delhi was built by Biga Begum, also known as Haji Begum, Humayun's first wife and chief consort.

Gulbadan Begum was Humayun's half-sister, Hamida Begum was his second wife, and Maham Begum was his wet nurse and Akbar's guardian.

Humayun's Tomb is considered to be one of the finest examples of Mughal architecture and is a UNESCO World Heritage Site. It was completed in 1572 and served as a model for the Taj Mahal.