Patna, June 19 -- In a major boost to infrastructure and socio-economic development in Bihar, Prime Minister Narendra Modi is scheduled to lay the foundation stone and inaugurate multiple development projects at Siwan on Friday. Sources at the state headquarters said here on Thursday that foolproof security arrangements have been made in view of the PM's visit. Special deployment of magistrates' security personnel has been made in Siwan where the PM is slated to address a gathering. The Prime Minister will inaugurate the new Vaishali-Deoria railway line project worth over Rs 400 crore and flag off a new train service on this route to boost railway infrastructure in the region. Additionally, in a major boost to connectivity in North Bihar, P...