Chandigarh, March 25 -- Haryana chief minister Nayab Singh Saini on Monday said that Prime Minister Narendra Modi will visit Haryana on April 14 to lay foundation stone of the 800 megawatt (MW) supercritical thermal power expansion unit at Deenbandhu Chaudhary Chhotu Ram Thermal Power Plant in Yamunanagar and inaugurate air services from Maharaja Agrasen Airport, Hisar....