A man casts silhouette onto an electronic screen displaying logo of Vodafone India after a news conference to announce the half year results in Mumbai, India, November 10, 2015. Mobile networks operator Vodafone has looked at spinning off its entire emerging markets unit, which includes its interests in India, Africa, New Zealand, Qatar and Turkey, but decided the synergies it gives justified keeping the group together, Chief Executive Vittorio Colao said on Wednesday.