providing one number diesel driven van/jeep on hire basis for 12hrs official use of ee/cp/nctps-ii and his staff for the period of one year from 12 . 08 . 2020 or from the date of utilization , hire charges for providing 1 no diesel driven van/jeep for 12hrs use in a day ( from 8am to 8pm ) hire charges including of drivers salary , bata , lubricant charges for taxes and insurance but excluding cost of diesel . , retention charges per hour beyond 12 hrs in a day . ( provision given for 12 months ) , diesel cost ( performance factor to be adopted for the purpose of calculation is 10km/lit . irrespective of actual km/lit ) rate as per prevailing market rate .