Concept:The description refers to the Samadhi of former Prime Minister Atal Bihari Vajpayee, which is named 'Sadaiv Atal'.
Explanation:The memorial consists of nine square black polished granite blocks arranged in a circular lotus pattern.
A 'Diya' sits at the centre of the platform.
The number nine symbolises navarasas, navaratras, and navagrahas.
White composite tile pathways from four cardinal directions provide access.
This design is specific to Atal Bihari Vajpayee's Samadhi at 'Sadaiv Atal' in New Delhi.
Other memorials: Shakti Sthal for Indira Gandhi, Shantivan for Jawaharlal Nehru, and Veer Bhumi for Rajiv Gandhi.
Answer:C. Sadaiv Atal