Question

what are the organs of local self government

Answer 1

1. Rural Local Governments (or Panchayat Raj Institutions) 

Zilla Panchayat or Zila Parishad
Mandal Or Taluka Panchayats
Gram Panchayats

2. Urban Local Bodies

Municipal Corporations
Municipal councils
Nagar Panchayats

Answer 2

panchayat⇒panchayat samiti⇒block⇒zila parishad  -rural level
municipality -urban level