Consider following statements about G-20 Summit:

1.    G-20 summit is a group of 20 countries.

2.    The Developmental Track activities of the meeting are thrashed out by the meetings of representatives of the leaders of G-20 called Sherpa.

3.    India has appointed Mr. Shaktikanta Das as India’s Sherpa to G-20 summit replacing Arvind Panagriya

Which of the above statements is/are incorrect?