KARACHI  - Karachi Electric Supply Company (KESC) Sunday announced that it has secured a level ‘A’ rating from the Global Reporting Initiative (GRI) for its Integrated Sustainability Report for the year 2012.  It said this made KESC the first organisation in the country to achieve the level ‘A’ rating for an integrated report.In keeping with international best practice, KESC’s integrated sustainability report provided depth and context to the group’s performance and identifies how sustainability is central to the utility’s culture and business. KESC is the first public utility in the country to comply with GRI sustainability reporting standards.