This paper reviews the recent developments (last two decades) in biodegradable mulching film for agriculture applications in terms of their formulation development, process understanding, properties, field performance, and identifying gaps that earlier researchers did not do. Advancements in the method of application of such biodegradable mulch film on various vegetables and crops, problems of existing conventional mulch film, and new technological developments in terms of mulch film chemistry are briefly discussed. This review focuses on various testing methodologies and characterization techniques required for mulch film. Overall, the objective of this review is to provide insights into bio- polymeric mulching film formulation technologies which may guide future research toward sustainable agricultural bio-mulch film.