PhD Thesis
Shodhganga - a reservoir of Indian Theses - The Shodhganga@INFLIBNET Centre provides a platform for research students to deposit their PhD theses and make it available to the entire scholarly community in open access. More than 100000 PhD theses are available here.
Theses & Dissertations 
Open Assess Theses and Dissertations - The aim of OATD.org is to be the best possible resource for finding open access graduate theses and dissertations published around the world. Metadata (information about the theses) comes from over 1100 colleges, universities, and research institutions. OATD currently indexes 33,36,819 theses and dissertations.
Research Papers
Research Papers in Economics - RePEc is a collaborative effort of hundreds of volunteers in 88 countries to enhance the dissemination of research in Economics and related sciences. So far, over 1,800 archives from 88 countries have contributed about 2 million research pieces from 2,300 journals and 4,300 working paper series.
Research Repositories
University College of Dublin - Research Repository UCD is a digital collection of open access scholarly research publications from University College Dublin. Research Repository UCD collects, preserves and makes freely available publications including peer-reviewed articles, working papers and conference papers created by UCD researchers.
University of the West of England - The UWE Research Repository provides immediate world-wide open access to all of UWE's research output.
Japanese Institutional Repositories Online (JAIRO) - a succeeding service of academic information (journal articles, theses, dissertations and research papers) accumulated in Japanese institutional repositories.
PhD & MPhil Theses
Eastern University Institutional Repository – a collection of PhD & MPhil theses of Eastern University.