The Election Commission appoints a large number of Observers to ensure that the campaign is conducted fairly, and that people are free to vote as they choose. Election expenditure Observers keeps a check on the amount that each candidate and party spends on the election. (Election Commission of India, http://eci.nic.in/)
Among the biggest national monitoring groups in India is the Association for Democratic Reforms which conducts National Election Watch.
Election Watch comprises background reports based on Criminal, Financial, Educational and Income Tax details of Candidates and Winners (MPs, MLAs and Ministers) who have contested Elections to State Assemblies, the Parliament and a few local bodies. We have taken a step ahead and included analysis on the increasing assets of our politicians as well as an analysis of Expenses incurred during Elections by candidates, in order to provide a holistic picture. In some states, the Election Watch program has analysed the performance of assemblies based on selected parameters. (ADR,http://adrindia.org)