e tender for hiring of vehicles for field and headquarters duties of thrissur ba , quoting rates , rate per km - zone 1 , detention charges beyond duty hours * - zone 1 , night halt charges ** - zone 1 , rate per km - zone 2 , detention charges beyond duty hours * - zone 2 , night halt charges ** - zone 2 , rate per km - zone 4 , detention charges beyond duty hours * - zone 4 , night halt charges ** - zone 4 , rate per km - zone 5 , detention charges beyond duty hours * - zone 5 , night halt charges ** - zone 5 , rate per km - zone 3 ( non ac running ) , rate per km - zone 3 ( ac running ) , detention charges beyond duty hours * - zone 3 , night halt charges ** - zone 3