PM Modi hailed the Constitution on Tuesday as a "guiding light" at a time of transformation for India, asserting that his government has strengthened constitutional values by taking a host of welfare measures to bring social and financial equality. Pics/PTI

A number of events in the past two years have challenged Indian democracy and highlighted the ways in which constitutional rights can be infringed upon. On the occasion of Republic Day, we look back on five major instances when fundamental rights were violated in the country