Talukdar, Prasenjit, and Subrata Gogoi. 2015. “A Study on the Role of Pre-Gelatinized Starch (PGS) in the Non Damaging Drilling Fluid (NDDF) for the Tipam Sand of Geleki Oilfield of Upper Assam Basin”. International Journal of Applied Sciences and Biotechnology 3 (2), 291-300. https://doi.org/10.3126/ijasbt.v3i2.12552.