- Kayastha, D.M. (2010). Geospatial Data Sharing Initiatives of Survey Department Supporting Disaster Management presented at the Third JPTM Step 2 for Sentinel Asia, Manila, The Philippines, 6-8 July, 2010.
- Kayastha, D.M. (2008). Data Standards in the context of National Geoinformation Infrastructure. Nepalese Journal on Geoinformation Vol 6
- Chatkuli, R.R., and Kayastha, D.M. (2005) Towards a National Geographic Information Infrastructure: Overcoming impediments to the Development of SDI in Nepal. Presented at FIG Working Week 2005 and GSDI-8, Cairo, Egypt 16-21 April, 2005
- Kayastha, D.M., Chhatkuli, R.R. and Paudel, J.R. (2003) Assessment of Accuracy of IKONOS Image Map, Traditional Orthophoto Map and Conventional Line Map of Kathmandu Valley: A Pilot Study. Presented at the ACRS, Busan, South Korea, 2003.
- Kayastha, D.M. (2001) Georeferencing Cadastral Maps in the Pretext of Digital Cadastre: Presented at workshop on GIS Technologies for Sustainable Development, New Delhi, 9-11 October, 2001
- Kayastha, D.M. (1999) National Topographic Database (NTDB): Presented at the seminar on “Future Plan and Programs on National Surveying and Mapping”, 27-28 January, 1999.