The correct answer is (b), 2011.
Ramman is a folk dance from the Kumaon region of Uttarakhand. It is performed during the month of Chaitra (March-April) to celebrate the arrival of spring. The dance is performed by a group of men and women who wear traditional costumes and masks. The dancers move in a circle and perform intricate steps while singing and clapping.
In 2011, Ramman was a part of the Uttarakhand tableau at the Republic Day parade in New Delhi. The tableau depicted the dance and its significance in the Kumaon region. The tableau was well-received by the audience and was praised for its depiction of the rich culture of Uttarakhand.
The other options are incorrect. Option (a), 2016, is incorrect because Ramman was not a part of the Uttarakhand tableau at the Republic Day parade in 2016. Option (c), 2008, is incorrect because Ramman was not a part of the Uttarakhand tableau at the Republic Day parade in 2008. Option (d), 2012, is incorrect because Ramman was not a part of the Uttarakhand tableau at the Republic Day parade in 2012.