A space.
Before the invention of cars, gasoline was primarily used as a solvent and as a fuel for lamps and stoves.
Well, India gave the world the term Zero...but its vry difficult to say..wat was used before there was not zero
sign was used in place of measurement.
an A.M radio
nothing, people died
before planes were invented people used boats to travel and pigeons as messengers
before horses indians used spears and bow and arrows with skins to hide their scent
Yes, gas & kerosene lamps were used exclusively before the invention of electricity.
Broom, dustpan and brush, were the main tools used before the invention of the vacuum cleaner.
Guns are relatively modern invention, so were probably NOT used by "ancient" Indians. "Ancient" is a relative term unless placed in context. Also you need to specify what do you mean "ancient Indians" as in natives or the country India, or American native Indians?
Before paper money was the invention of dollar coins that they used for their own type of money
well they wrote on rocks or they used animal skin for paper