Free and Fair election is the key to Democracy . ECI (Election commission of India) is responsible for ensuring free and fair elections for a healthy democracy. The Election Commission of India is an autonomous constitutional authority responsible for administering Union and State election processes in India. Part XV of the Indian constitution deals with elections and establishes a commission for these matters . Functions of ECI: It ensures that political parties and candidates adhere to the Model Code of Conduct. Regulates and registers political parties as per eligibility to contest in elections. Hence statement 1 is correct. Put a limit on campaign expenditure per candidate to all parties. All political parties must submit annual reports to the ECI to be able to claim the tax benefit on the contributions. Guarantees that all political parties regularly submit audited financial reports. Supervise, control and conduct all elections to Parliament and State Legislatures. Prepares electoral rolls. Hence statement 3 is correct. Managing the election process from notification of election dates to the declaration of results. It can cancel the polls in event of any irregularity like rigging, booth capture, violence, etc. Allot election symbols to political parties or candidates. Hence statement 2 is correct. Advising to the President or Governor in matters relating to the disqualification of sitting legislators except under Schedule 10. Hence statement 4 is correct. It acts as a court for settling disputes related to the granting of recognition and allotment of symbols to political parties.