Answer : 2. "Pinaki Chandra Ghose "
Explanation :

Retired Supreme Court judge Pinaki Chandra Ghose is appointed as the first Lokpal of India by a committee consisting of Prime Minister Narendra Modi and Chief Justice of India Ranjan Gogoi and Speaker of the Lok Sabha Sumitra Mahajan on 23 March 2019 whereas the members are appointed w.e.f 27 March 2019.