Consider the following statements with reference to the Indo-Soviet Treaty in 1971. Which of the statements given below is /are correct :

I. This treaty was signed 20 years

II. This treaty was concluded on August 9, 1971, by Soviet Foreign Minister Gromyko and India's Minister of External Affairs Sardar Swaran Singh.

III. A former congress President K. Kamaraj said, "It would not only consolidate the friendship between the two countries but also help the cause of peace in Asia and the world"