Unit 1 : S.P. Mullick, C.J. Malhotra
Unit 2 : Mahesh Chand Sharma, Anita Dev Raj, Kuldeep Agarwal
Unit 3 : Mahesh Chand Sharma, Anita Dev Raj, Kuldeep Agarwal
Unit 4 : G.L. Arora, Ashok Arora, D.V. Singh
Unit 5 : Girija Mohd. Miyan, Mani Bhasin
Unit 6 : R.L. Phutela, CIET, NCERT, New Delhi assisted by Ms. Sandhya Kumar, National Open School, New Delhi.
Unit 7 : P.K. Mishra, Ramlal Anand College, Deptt. of Pol. Science, Univ. of Delhi
Unit 8 : P.K. Mishra assisted by Ms. Vandana Sharma, Research Fellow
Unit 9 : P.K. Mishra assisted by Ms. Vandana Sharma

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