Welcome to Kalvi40 - A free Tamil medium Samacheer Kalvi educational application for Government school Children, Parents and Teachers from 3rd to 8th standard in Tamil Nadu and Puducherry State. BumbleB Trust's non-profit initiative Kalvi40 provides digital content in different forms with focus on building holistic learning for every Tamil rural students need. Advertisement free & simple design Kalvi40 app contains the following features completely in Tamil language: · Simple and interesting