Besides SBI's grand entry to the list, all five current incumbants -- Reliance Industries Ltd, Indian Oil Corporation, Bharat Petroleum Corporation, Hindustan Petroleum Corporation Ltd and Oil and Natural Gas Corp -- have scaled up the ranking on the list of world's biggest 500 companies.

Among the six Indian companies on the list, IOC holds the top rank at 153rd position, followed by RIL at 342th rank, BPCL at 368, HPCL at 378th, ONGC at 402nd and the new entry SBI has been placed at 498th rank.

RIL has scaled up 75 ranks on the list from the previous year, while IOC has gained 17 positions, BPCL has jumped 61 ranks, HPCL has moved up 58 positions and ONGC has scaled up 52 positions. RIL figures among the top 25 climbers on the list.