Correct option is B
In 2018, Prime Minister Narendra Modi of India was awarded the UNEP Champions of the Earth Award by the United Nations Environment Programme (UNEP) for his leadership in promoting sustainable development and championing efforts to combat climate change. The award recognized Modi’s efforts to lead India towards renewable energy and his initiatives such as the International Solar Alliance and the Swachh Bharat Mission (Clean India Mission). This prestigious award is the UN's highest environmental honor.
Option (b) is correct: Narendra Modi received the award in 2018.