Complex sentence: The Travancore Rupee was issued until 1946-47 CE (1121 M.E. or Malayalam Era) remaining in circulation till 1949 before being replaced by the Indian rupee after its accession into India.
Split into simpler sentences: The Travancore Rupee was issued until 1946-47 CE (1121 M.E. or Malayalam Era), remaining in circulation till 1949. It was then replaced by the Indian rupee following its accession into India.