India is likely to help Iran in modernisation and expansion of its rail network.Iran, facing UN sanctions, has sought India's expertise in upgrading its train operations, signalling system and electrical work besides training its personnel as part of its plans to modernise the railway system.Responding to a request from the Iran government, Railway Board Chairman K C Jena along with RITES managing director V K Agarwal and general manager A K M Sharma will travel to Tehran tomorrow to hold discussions with the Iranian railway officials."Indian Railway is likely to extend its expertise to Iran for modernising Iranian railway network," said a senior railway ministry official.The Indian team would inspect the Iranian railway system and meet senior railway officials, including Hassan Ziari, Deputy Minister for Roads and transportation and President of Islamic Republic of Iranian Railway, during its three-day visit from April 12.