hiring of non ac mahindra pickup van or equivalent vehicle with commercial registration for cisf at shimla airport for a period of 02 years , sub heading 1 , hiring of non ac mahindra pickup van or equivalent vehicle with commercial registration for 900 kms per month ( 8 hours per day ) on all days ( including saturdays , sundays , weekly offs & other govt . / public holidays ) for the usage of cisf unit at airports authority of india , civil airport , shimla including fueling & all expenses for running , operation and maintenance of vehicle etc . complete as required . , rates per km for extra kms uses ( over and above 900 kms subject to limit of 250 km per month ) see section c - special condition clause no . 18 ( viii ) .