providing one number diesel/petrol driven van/jeep or equivalent vehicle on daily hire basis for the official use of the ex servicemen squad /sivagangaihaving headquarters at sivagangai on all working days from 7.30 a.m. to 8.30 p.m. for a period of one year–date of registration of vehicle as 5 years; 1 labour charges 2 hire charges for diesel/petrol driven van/jeep or equivalent vehicle for 12 hrs a day 3 retention charges per hour beyond 12 hrs a day but not exceeding 4 hours a day 4 retention charges for night halts 5 perfomance factor : distance in kms per litre of diesel/petrol for propulsion of vehicle (plains) 6 perfomance factor : distance in kms per litre of diesel/petrol for propulsion of vehicle (hills)