Double-decker bus
With the exception of coaches, double-decker buses are uncommon in the United States. Many private operators, such as Megabus, run by Coach USA, employs double-decker buses on its busier intercity routes.
Hyderabad Allwyn
Double decker busese were running in Hyderabad long before the formation of the state of Andhra Pradesh in 1956. So the above statement that double decker buses were introduced in Hyderabad is not correct.
The Allwyn refrigerators were one of the most popular brands in India. Its rivals were Godrej, Kelvinator and Voltas. Even until 2005 the refrigerators were widely rated for their energy efficiency.