Telecom operator Bharti Airtel board Thursday constituted a committee to explore options for raising funds to strengthen company's balance sheet. According to reports, the company has plans to raise around USD 2 billion. "The company at its meeting held today has formed and authorised 'special committee of directors for fund raising' to comprehensively explore/evaluate various options of fund raising for the company to strengthen its capital structure and balance sheet," Bharti Airtel said in an exchange filing. The company, however, did not quote the amount it plans to raise.