Hiring of services for pre-drill EIA and EMP studies" for OIL's offshore block: KG/OSDSF/GSKW/2018 of Eastern Coast of Andhra Pradesh for assisting OIL in all related activities for obtaining CRZ environmental clearance from MoEF&CC for a period of one year from the date of issue of LOA with a provision for extension up to another one year under same terms and conditions of contract