providing of 1 no . diesel driven non ac ambassador car /tata indica / tata indigo or equivalent car , vehicle , hire charges for providing of 1 no . diesel driven non ac ambassador car /tata indica / tata indigo or equivalent car on hire basis for 12 hrs . use in a day ( from 8 am to 8 pm ) hire charges inclusive of driver salary , bata , lubricant charges , taxes and insurance but excluding cost of diesel , retention charges per hour beyond 12 hrs in a yaer , distance in km propulsion per liter of diesel to be adopted for the purpose of contract ( performance factor 10km/litre ) 365 days * 10km per day .