(2) According to the UN DESAreport, “World PopulationProspects: The 2015 Revision”,launched on 29 July 2015, thecurrent world population of7.3 billion is expected to reach8.5 billion by 2030, 9.7 billionin 2050 and 11.2 billion in2100. The report added thatthe population of India is expectedto surpass that of Chinaby 2022.