The Gas dispute between Mukash ambani-led Reliance Industries Ltd [RIL]and Anil Ambani-led Reliance Natural Resources Ltd [RNRL] began about three and a half years ago.
Anil Ambani began, what become the biggest battle between industrial gaints that the country has ever seen,in 2006 when he filed a case against RILover Krishna Godavri [KG] bagin gas supply.he accused that his elder brother was violating the family agreement signed by the brother in 2005 in the presence of their mother Kokilaben,when the Reliance group spilt.
Mukash Ambani, on the other hand,argued the intrinsic role of government and its approval in supply of 28 mmmscd gas for 17 yaers at 2.34 dollers per unit to RNRL.

* Brief Case Timeline given below:
2006: RNAL files a case against RIL over Krishna Godavri [KG] basin gas supply.
2007: Company judge restains RIL from crating third party rights in gas meant for RNAL.
Oct 15,2007: Company judge upholds RNAL's case, says MOU between parties binding.
Jun 2009:Bombay high court asks PIL and RNAL to honour the 2005 MOU
jUL4,2009:RIL files petition in suprium court,seeks stay on earier order.
Jul 18,2009:Goverment files petition to nullify Ambani famaily MOU