A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.
PIN (Postal Index Number) was introduced in INDIA on August 15, 1972. This is the coding system used by postal services of India for different areas. Totally in our country there are 9 divisions, of which 8 are geographical & 9th is reserved to army.
In 1769 Arkwright patented the invention that made him rich, and his country an economic powerhouse: The spinning frame. The spinning frame was a device that could produce stronger threads for yarns.