India's biggest mobile operator Bharti Airtel (Bharti) and South African telecom major MTN Group announced last week that they have extended the deadline for exclusive merger talks till September 30, indicating that the two parties are close to clinching the deal, which is being billed as India's biggest-cross border deal, eclipsing Tata Steel's acquisition of Anglo-Dutch steel major Corus for $12.2 billion in 2006 and would create an emerging markets giant with 200 million mobile subscribers in more than 20 countries across India, Africa and the Middle East. The deadline extension has, however, created concerns among investors in India and market watchers claimed that the deal structure is too complex to succeed.In India the deal could also face regulatory issues. Analysts have also brushed aside concerns that FDI restrictions in India could pose a problem. […]