NAB files reference against Karachi DG Parks National April 16, 2021 ISLAMABAD: The National Accountability Bureau (NAB) on Thursday filed a corruption reference against Director General Parks and Horticulture, Karachi, Liaqat Ali Khan Qaimkhani for assets beyond known source of income. The NAB Rawalpindi is likely to file a supplementary corruption reference also as further investigations are going on. According to NAB Rawalpindi, the investigation revealed that Qaimkhani joined government service in 1977 as assistant director (BPS-17) in Garden Directorate of Parks and Horticulture and was subsequently posted in parks department. He was given the charge of deputy director in 1987 and was promoted to BPS-18 in 1990. He was promoted to BPS-19 in 1994 as his service of BPS-18 was considered from 1987 after the issuance of an order. He was promoted to BPS-20 in 2003 and retired in 2011 as DG parks and horticulture in Grade 21.