This question requires matching prominent Indian scholars with specific areas of their research or publications related to demographics and social/ economic issues. - (a) Sandeep Shastri is a noted political scientist whose work often examines the socio-political landscape of India, including how demographic shifts influence politics. Matching (a) with (iv) "Demographic Shift and its Impact on Indian Politics" is appropriate. - (b) Kalpana Srivastava is an academic researcher who has published on topics including population studies and health. Matching (b) with (ii) "Demographic Profile and Health Status of Older Adults in India" is plausible, although less widely known than other pairings. - (c) N. Neetha is a development economist associated with the Centre for Development Studies, focusing on labour, migration, and gender. While her work on the demographic dividend (matching (c) with (iii)) is well-known, matching (c) with (i) "Gender Demographics and Empowerment in India" is also consistent with her research focus on gender issues and labour markets. - (d) Mridul Eapen is also a development economist from CDS, working on labour, gender, and poverty, particularly in Kerala. Matching (d) with (iii) "Demographic Dividend in India: Myth or Reality" or other topics might be less direct links than the chosen pairings in the options.Based on prominent research areas and checking against likely pairings in options, the best fit is: (a) Sandeep Shastri - (iv) Demographic Shift and its Impact on Indian Politics (b) Kalpana Srivastava - (ii) Demographic Profile and Health Status of Older Adults in India (c) N. Neetha - (i) Gender Demographics and Empowerment in India (d) Mridul Eapen - (iii) Demographic Dividend in India : Myth or RealityThis matches option C.