Complex sentence: During the same period, he got a good friend in'Bapu', their friendship was unconditional and mutually expending talents as Ramana is good at write ups where as Bapu, is good at painting and caricature drawing.
Split into simpler sentences: During the same period, he got a good friend in'Bapu'. Their friendship was unconditional and mutually expending talents as Ramana is good at write-ups whereas Bapu is good at painting and caricature drawing.