New Delhi: Bharti Airtel has completed sale of its Burkina Faso subsidiary to Orange, a regulatory filing by the company said on Thursday. "We wish to inform that Orange has completed the acquisition of 100 per cent of the operations of Airtel in Burkina Faso via its subsidiaries. We shall update the exchange regarding the process for Sierra Leone as and when it is completed"the company said . Bharti Airtel had earlier in January intimated the bourse about its selling of Burkina Faso and Sierra Leone assets to Orange. "Orange will acquire 100 per cent of the two companies' share capital. The consolidated revenue of the two companies is around 275 million euros. These acquisitions will be implemented in partnership with Orange's subsidiaries in the Cote d'Ivoire and Senegal," the earlier statement said.