Timeline
1992: Hutchison Whampoa and MAX group establish Hutchison Max
2000: Acquisition of Delhi operations and entry into Calcutta (now Kolkata) and Gujarat markets through Essar acquisition
2001: Won auction for licences to operate GSM services in Karnataka, Andhra Pradesh and Chennai
2003: Acquired AirCel Digilink (ADIL — ESSAR Subsidiary) which operated in Rajastan, Uttar Pradesh East and Haryana telecom circles and rebranded it 'Hutch'.
2004: Launched in three additional telecom circles of India namely Punjab, Uttar Pradesh (West) and West Bengal.
2005: Acquired BPL Mobile operations in 3 circles. This left BPL with operations only in Mumbai, where it still operates under the brand 'Loop Mobile'.
2007: Vodafone acquires a 67% stake in Hutchison Essar for $10.7 billion. The company is renamed Vodafone Essar. 'Hutch' is rebranded to 'Vodafone'.
2008: Vodafone acquires the licences in remaining 7 circles and starts its pending operations in Madhya Pradesh circle, as well as in Orissa, Assam, North East and Bihar.
2011: Vodafone Group buys out its partner Essar from its Indian mobile phone business. It paid $5.46 billion to take Essar out of its 33% stake in the Indian subsidiary. It left Vodafone owning 74% of the Indian business.
Read more about this topic: Vodafone India