Kochi, May 3 -- Prime Minister Narendra Modi on Friday said that the presence of Kerala chief minister Pinarayi Vijayan and Congress MP Shashi Tharoor at the commissioning of the Vizhinjam International Seaport will give "sleepless nights" to the opposition INDIA bloc. The remark, apparently made half in jest, along with an observation in a similar vein about a communist leader calling a conglomerate a partner, sparked a sharp reaction from the Congress, which said the PM was fixating on the opposition leaders days after the country faced a terror attack that claimed the lives of 26 civilians. Addressing the gathering at the inauguration of the port, developed by the Gautam Adani-led group, the Prime Minister also described Vijayan as a "pi...