Some of the contract workers at Unit JKPM at Rayagada, Odisha, had resorted to ‘illegal and unlawful’ stoppage of work, which has resulted in disruption of production since August 25, 2018, JK Paper informed the exchanges on Friday. The company, due to the continued stoppage of work, has declared a lockout from August 31 at the unit and it will continue till further notice, the notice further added. Shares of JK Paper slumped 3.82 per cent at ₹155.90 on the BSE.