Explanation

"Please could you tell me where the bus station is?"

"برائے مہربانی، کیا آپ مجھے بتا سکتے ہیں کہ بس اسٹیشن کہاں ہے؟"

"Is the bus station"  (Incorrect word order in an indirect question)

"The bus station was"  (Past tense is unnecessary)

"Is the bus station located"  (Unnatural phrasing in spoken English)