The Tapovan Vishnugad hydropower project undertaken by NTPC since 2006 is the biggest bone of contention between the people of Joshimath and the government. Residents say that it is this project that has caused disaster in the region. On the other hand, government representatives have steered away from blaming the NTPC for the disaster. Sudeshna Chowdhury speaks to different parties to unravel the reasons behind the disaster