LUCKNOW, Jan. 5 -- A 40-year-old retired Army Lance Naik, a resident of Hardiyapur in Prayagraj district, died under mysterious circumstances in the state capital, police said on Sunday. He was working with an Ayurvedic company and had come to Lucknow along with a colleague to attend a seminar organised by a company. According to police and hotel staff, he retired to his room after dinner on Saturday night. On Sunday morning, his colleague found him lying unconscious in his room. He was rushed to a nearby hospital where doctors declared him dead....