Gonikoppa: Miscreants, who blackmailed a trader, have extorted Rs. 3.06 lakh by getting the money transferred in phases from him. The trader, who fell prey to blackmailers, is 31-year-old H.K. Harshavardhan, a resident of Gonikoppa. On June 19 at about 1 pm, Harshavardhan got a message saying ‘Hi’ from mobile number 76268-62066 and at night,…