Which of the following mature Harappan site is not located in Independent India?

Balakot

The correct answer is Option (2) → Balakot

The mature Harappan site that is not located in independent India is Balakot. Balakot is located in present-day Pakistan, and it is not within the territory of independent India.

Rakhigarhi: Rakhigarhi is one of the largest and most important Harappan sites in India. It is located in the Hisar district of the Indian state of Haryana.

Kalibangan: Kalibangan is another prominent Harappan site in India, situated in the Hanumangarh district of the Indian state of Rajasthan.

Banawali: Banawali is an archaeological site located in the Fatehabad district of Haryana, India.

So, the correct option is [2].