Indian engineer challenges rain rule

The current method was devised by English statisticians Frank Duckworth and Tony Lewis and known as the Duckworth-Lewis (D/L) rule.

V Jayadevan, an engineer in southern Kerala state, spent a decade working on his so-called VJD system, which has been used in Indian domestic matches since 2007 following a recommendation from batting legend Sunil Gavaskar. 

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