Tuhin Mukherjee and Mandal, S. (2026) “Informational Content Of India Vix: Evidence From Volatility Envelopes, Causality, And Conditional Volatility Of Nifty Monthly Returns  During 2015-2025”, International Journal of Innovations in Science, Engineering And Management, 5(2), pp. 100–111. doi:10.69968/ijisem.2026v5i2100-111.