CHANDIGARH, Jan 21: Opposition Haryana Lok Dal (HLD) members staged a walk-out in Haryana assembly today and the House was adjourned for ten minutes after they accused the state government of misinformation on spraying to control malaria and dengue.Raising the issue during zero hour, leader of the opposition and former Chief Minister Om Parkash Chautala alleged Chief Minister Bansi Lal and Social Welfare Minister Kamla Verma had misled the house yesterday by claiming that Rs 18 crore had been spent on sprays. He said no spraying had been done as the grant had not been received from the Centre and demanded a probe under the Commission of Inquiry Act.