This document outlines the structure and methodology for a thesis on retroconversion of documents in three libraries in New Delhi: Central Secretariat Library, Zakir Husain Library at Jamia Millia Islamia, and Nehru Memorial Museum and Library. The thesis will include chapters on retrospective conversion, a literature review, library profiles, research methodology, data analysis and interpretation, conclusions and suggestions. It will evaluate the retroconversion criteria, priorities, guidelines, hardware/software requirements, training, outsourcing costs, and impact on user services in the selected libraries. The objectives, hypotheses, sample design, data collection and analysis methods are also described.