TIMELINE-Key dates in Ambani brothers' feud

MUMBAI, July 15 (Reuters) - A dispute between the billionaire Ambani brothers over the supply and pricing of natural gas comes as a test of India's governance standards and could discourage investment in India's energy sector as the country scrambles to shore up its energy security. For a story click [ID:nBOM453401]

Following is a timeline of key dates in the Ambani rift.

* July 2002 - Dhirubhai Ambani, a school teacher's son and founder of the Reliance business empire, dies. Mukesh Ambani becomes chairman and managing director of Reliance Industries Ltd (RELI.BO: Quote, Profile, Research), and Anil Ambani is made vice-chairman.

* Nov 2004 - Feud between the brothers becomes public.

* June 2005 - Family reaches a settlement to split the Reliance group in a deal brokered by their homemaker mother, Kokilaben.

* 2006 - Formal split takes place, with Mukesh taking control of flagship Reliance Industries, with interests in petrochemicals, oil and gas exploration, refining and textiles. He has since launched a retail venture.

Anil gets telecoms, power, entertainment and financial services. The Anil Dhirubhai Ambani Group includes Reliance Communications Ltd (RLCM.BO: Quote, Profile, Research), Reliance Infrastructure Ltd (RLIN.BO: Quote, Profile, Research), Reliance Capital Ltd (RLCP.BO: Quote, Profile, Research), Reliance Natural Resources Ltd (RNRL) (RENR.BO: Quote, Profile, Research) and Reliance Power Ltd (RPOL.BO: Quote, Profile, Research).

* July 2008 - Reliance Communications calls off merger talks with South Africa's MTN (MTNJ.J: Quote, Profile, Research) after Mukesh makes a claim on the shares of Anil's telecom firm.

* June 15, 2009 - Mumbai's High Court directs Reliance Industries and RNRL to enter a gas supply agreement within a month. (Compiled by Rina Chandran; Editing by Muralikumar Anantharaman)