In a major drug bust case, the Punjab Police seized nearly 200 kg heroin, claimed to be worth around Rs 2,000 crore, from a house in Sultanwind village of Amritsar district and arrested six people, including an Afghan national, officials said. Acting on a tip-off, police raided the house in Akash Avenue late night on Thursday and recovered the heroin along with other contraband, said Special Task Force chief Harpreet Sidhu. In addition to 194.15 kg heroin, 38 kg dextromethorphan, 25 kg caffeine powder, probably used to cut and mix the heroin, and six drums of chemical composition weighing 207 kg were also recovered, he said. An illegal lab was found set up inside the house where preparation, mixing and cutting of drugs was taking place, Sidhu said. The Afghan national arrested during the raid had come to India a week ago and his task was to dilute, refine and mix the high-quality heroin, he said. Among the other five accused are Sukwinder Singh, Major Singh and Tamanna Gupta. Chief Min