This is introduced by Henry Ford to speed up the manufacturing of cars in America.

Agricultural system at the time of independence is

Combined Harvestor means

Use of CH saves the crop from the vagaries of weather in the coastal states.

CH harvests paddy fields of about one acre in ………….. hour.

From this year, there is an increase in the share of textile production through mills.

The number of employees in Powerlooms.

There were only land phones in India up to

The mobile connections are …………….. times more than landlines.

Mobile phones were introduced in