(b) The original Preamble, adopted by the Constituent Assembly in 1949, declared India a “Sovereign Democratic Republic”. By the 42nd Amendment of 1976, enacted during the Emergency, the words “Socialist” and “Secular” were inserted; the Preamble now reads “Sovereign Socialist Secular Democratic Republic.

(d) Constitutional Government: The basic characteristics of the Constitutional government is that the government operates within a set of legal and institutional constraints provided by the Constitution. In Constitutional government the constitution is supreme and no institution of the State can function beyond the scope provided in the Constitution.

(a) The R2 Code of Practices (COP) is a standard for the electronics recycling industry that promotes environmentally responsible practices. The R2 standard was developed by Sustainable Electronics Recycling International (SERI) to prevent the misuse and improper recycling of electronic waste.

The R2 COP is a set of activities that electronics companies must perform related to recycling. An updated version of the R2 COP (COP 2.1) was released on July 22, 2021 to clarify areas of the COP.

(d)
Burzahom is a neolithic site that has yielded pottery, bone tools, etc.
Chandraketugarh has several periods from pre-Maurya to post-Gupta and early medieval. It is famous for its terracottas, which are brick red or buff coloured.
Ganeshwar dates back to 2000 BCE and was a major site of copper manufacture. Hundreds of copper artefacts, e.g., arrowheads, rings, bangles, spearheads, chisels, balls, and celts were found.

(a) In the meeting held on 8 August 1942 at Gwalia Tank, the British Quit India resolution is passed.