With India's growing political and strategic interest in the continent, and inclination to leverage its diaspora as an instrument of soft power, it’s natural for New Delhi to establish a beachhead in Somalia, that straddles the Horn of Africa, the source of the Nile and a gate to the Red Sea and the Gulf of Aden, through which tens of thousands of vessels pass through Somali waters every year in what is one of the world’s busiest sea-trading lanes, writes Tarun Basu for South Asia Monitor