Within a decade, at a total expense of 7½ million HRs, this was extended to nearly 500 vehicles, servicing 7200 km.

[4] Initially fully assembled 19-seater buses manufactured by Albion Motors were shipped from England.

In 1946 these hangars which were lying unused were handed over to the Road Transport Department for building bus depots.

[3] After integration of Hyderabad with India, the last Nizam Osman Ali Khan, Asaf Jah VII had to hand over the (N.S.R-R.T.D) to the Indian Government.

As per a request from the last Nizam it was ensured that all bus registration numbers would include the letter Z, as the letter ‘Z’ in the number plate represents Zahra Begum, mother of Nawab Osman Ali Khan, Asaf Jah VII.