Singh, Shakti2024-12-242024-10-01http://ir.iitd.ac.in/handle/123456789/5844enStochastic interest rateModel description and risk neutral measuresMarkovian health andGLVBFair fee analysis ofILVAsSemi markovian healthExploring pricing strategies for variable annuities assessing the cost and benefits of embedded guarantees for enhanced financial securityThesis