Which of the following are envisaged by the Right against Exploitation in the Constitution of India? 1., Prohibition of traffic in human beings and forced labour 2., Abolition of untouchability 3., Protection of the interests of minorities 4., Prohibition of employment of children in factories and mines Select the correct answer using the code given below: (a) 1, 2 and 4 only (b) 2, 3 and 4 only (c) 1 and 4 only (d) 1, 2, 3 and 4