Explanation: The PSUs were considered by the government as the focus of the ‘trickledown effect’.

• The government did everything to set up and run the PSUs as the benefits were supposed to percolate to the masses, finally reinforcing growth and development in the country.
• Employment in the PSUs was seen as the effort of the trickledown theory, simply said.
• At a point of time, Nehru even mentioned the PSUs as the ‘temples of modern India’.

Source: Ramesh Singh