Also, there is a vehicle company Tata, making many vehicles including trucks. Then same word is also used when we waive goodbye with hands, like Tata. Parents u

Also, there is a vehicle company Tata, making many vehicles including trucks. Then same word is also used when we waive goodbye with hands, like Tata. Parents usually usee to say to their own kids when leaving friend's house, Ok Do Tata (means waive your arms in goodbye and say tata). Trucks also write OK TATA BYE on back of them.