Prime Minister Narendra Modi may look to press the reset button on his leadership this spring to reinvigorate stalled economic reforms and appease critics, eyeing a mix of tried and tested allies and fresh blood, senior government sources said. The government has overseen rapid economic growth, but failed on tax and land reforms, and the euphoria that met Modi's 2014 election triumph has given way to investor disillusionment; stocks have erased all of their gains since he won power. The ruling Bharatiya Janata Party (BJP) faces a crucial election test in the most populous ...