Among all the treatments, P3 (i.e. Pseudomonas from sewage sludge dump) was found to degrade both natural and synthetic polyethylene very efficiently with 46.2% for T1 (Pseudomonas + natural polyethylene) and 29.1% for T2 (Pseudomonas + synthetic polyethylene). In contrast, P1 (i.e. Pseudomonas from household garbage dump) gave the lowest biodegradability of 31.4% for T1 and 16.3% for T2. However, P2 (i.e. Pseudomonas isolated from textile effluents drainage soil) gave an intermediate biodegradability of 39.7% and 19.6% for T1 and T2, respectively.