The Association for Democratic Reforms (ADR) has released data for the richest and poorest candidates in the first phase of the Lok Sabha elections. As per the data, Kamal Nath's son, Nakul Nath, is the richest candidate, having declared assets worth Rs 716 crore. The data shows 450 of the 1,600 candidates are crorepatis, and 10 candidates have declared their assets as zero.