Complex sentence: He completed his matriculation from Remuna High School, Remuna, Balasore in the year 1986 with First division securing record mark (88%) in second language English in H.S.C. Examination.
Split into simpler sentences: He completed his matriculation from Remuna High School in Remuna, Balasore in 1986. He was in the First division, securing a record mark (88%) in second language English in his H.S.C. Examination.