Thomas Robert Malthus in 1798 in his work “An Essay on the Principle of Population” discussed relationship between population and resources. He argued that human population is increasing by a rate double than that of natural resources. If population growth rate remained the same, according to Malthus, a time will come when human race will
Caliphate (Khilafat) is an Islamic system of ruling the state under the injections of Quran and Sunnah. The system of Caliphate emerged after the demise of the Holy Prophet (PBUH). In Caliphate state is ruled by an elected Caliph (Arabic version, “Khalifa”) who is also sometimes called as Amir-ul-Mumeenen (leader of the believers) and Imam.