Corruption takes many forms from petty to grand and systemic. Common types of corruption discussed include political, police, judicial, union, and non-governmental corruption. India faces significant challenges with corruption, ranking 94th on transparency international's corruption index. Major corruption scandals in India include the 2G spectrum scam, Commonwealth Games scam, Telgi scam, Satyam scam, Bofors scam, fodder scam, and Hawala scandal. Bihar has seen the highest increase in corruption over time periods from 1990-2010 according to state-level data.