The Calcutta Stock Exchange Limited · Tata Aig General Insurance Company Limited · Bse Limited · Indian Clearing Corporation Limited · National Power Exchange Limited · Conneqt Business Solutions Limited · Central Depository Services (India) Limited · Tata Realty And Infrastructure Limited. · Tata Aia Life Insurance Company Limited · Cdsl Insurance Repository Limited · United Stock Exchange Of India Limited · Bse Institute Limited · Tata C API Tal Financial Services Limited · Boi Shareholding Limited · Institutional Investor Advisory Services India Limited