An engineer walks on an iron structure at the construction site of a railway bridge in Kouri in the Reasi district in Jammu and Kashmir state March 4, 2015. India's government unveiled plans last month to invest $137 billion in its decrepit rail network over the next five years, heralding Prime Minister Narendra Modi's aggressive approach to building infrastructure needed to unlock faster economic growth. Picture taken March 4, 2015. REUTERS/Mukesh Gupta (INDIAN-ADMINISTERD KASHMIR - Tags: BUSINESS CONSTRUCTION TRANSPORT TPX IMAGES OF THE DAY)