Speedy Gonzales started out as a character in another cartoon before animators Friz Freleng and Hawley Pratt introduced him in an animated short of his own in 1955. Then, the legendary Mel Blanc voiced the mouse.
Given crore on its own is not a currency anywhere, I am assuming that you mean crore Rupees which equals ten million rupees. Rupees are the currency of India. So 300 crore Rupees is 65189030.50 USD. crore means 30,000,000 Indian Rupees (seven 0's). With currency conversion, it equates to approximately $612,182.46.
Back then, one rupee was worth 30 Dutch stuivers.Five stuivers were worth 6 British pence. It takes 240 pence to make a British pound. With this information you can figure that in 1640, one rupee was worth 0.15 British pounds. That means the Taj Mahal cost 4.8 million British pounds in 1640. Using an inflation calculator for the British pound, a British pound in 1640 is worth 141 British pounds today. So that means the Taj Mahal cost 678,800,000 of today's British pounds. [2]