The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: About 30 new hydro projects are now under execution with an installed capacity of 5,600 MW.
Q: However, with the rapid increase in demand for power, higher priority was given to the pithead super thermal power stations as their gestation period was smaller than that of the hydel schemes.
R: Many projects were taken up for execution after independence and at one time (1962-63), the capacity contribution from hydro schemes was equal to thermal schemes.
S: The first hydro generating unit in India was commissioned in Darjeeling (W.Bengal) in 1897.

Improve the bracketed part of the sentence.

The granaries of India are trapped in a dangerous vicious cycle of input use, where increased dumping of fertiliser in the wrong combinations (has rendered) the soil incapable of regenerating itself, which in turn escalates input use.

How much abount can the Postal Department invest in revenue - generating instruments and / or stock market to reduce its budgetary deficit?

What is the journal entry process from the time of generating an invoice to receiving payment?