ANS:A - Election Commission of India (ECI)

ENCORE (Enabling Communications on Real-time Environment) is an in-house software designed by the Election Commission of India (ECI) for complete candidate and election management. It provides a seamless facility for Returning Officers to process candidate nominations, affidavits, voter turnout, counting, results and data management. ENCORE is a significant technological advancement in the field of election management, and it has played a vital role in ensuring the smooth and efficient conduct of elections in India.