At present, telecom firms are allowed to merge if their combined market shares in terms of subscriber base does not exceed 40 per cent in any of the nation's 22 circles or zones.
Government will determine market share based on both subscriber number and adjusted gross revenue which is earned through telecom services.
The Mergers and Acquisition (M&A) guidelines issued today however stated that a market determined fee will have to be paid if the merged entity was to hold low-priced 4.4 MHz spectrum.
The guidelines issued by government today largely focus around spectrum held by companies as there are two set of companies at present - one which hold spectrum allocated at old rate of 1,658 crore and other set which hold spectrum purchased through recent auctions at over 5 times this price.
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The rules have allowed only those companies to participate in M&A activity who have either purchased spectrum through auction or paid one-time spectrum fee to bring old spectrum rates at par with latest market determined price.
The market rate determined through auction will remain valid for a period of one year. Thereafter, additional price calculated based on prime lending rate of State Bank of India will be added on to determine the market rate.
If companies holding spectrum at the old rate opt for buying another company they will have to submit one-time spectrum fee as bank guarantee to the Department of Telecom
In case of CDMA spectrum (800 Mhz band), held by firms like TTSL, Sistema Shyam and Reliance Communications, the government has fixed the upper limit of the total spectrum holding at 10 Mhz.
A merged entity will be allowed to hold a maximum of 2 blocks of 3G spectrum in a service area. This rule will check amalgamation of more than two 3G spectrum holding companies.