Complex sentence: During 1946-1951, Telangana saw peasant guerilla armed struggle launched under the aegis of the Communist party, led by Ravi Narayana Reddy by whom, the Andhra Mahasabha had allied itself with the Communist party which had penetrated into the Telangana countryside.
Split into simpler sentences: During 1946-1951, Telangana saw peasant guerilla armed struggle launched under the aegis of the Communist party. Led by Ravi Narayana Reddy, the Andhra Mahasabha had allied itself with the Communist party which had roots in the Telangana countryside.