Complex sentence: He first started of his career in politics by becoming the head of his village (Sarpunch) without any support from the regional political parties, after that he joined N.T. Rama Roa's Telugu Desam Party.
Split into simpler sentences: He first started of his career in politics by becoming the head of his village (Sarpunch) without any support from the regional political parties. After that he joined N.T. Rama Roa's Telugu Desam Party.