Complex sentence: Established C.M. Girls High School in Mukalmua in 1973 and revived traditional "Durga Puja" in Barkhetri as an annual festivity since 1975, and built a Goddess Durga temple "Chandi Mandir" in Mukalmua.
Split into simpler sentences: Established C.M. Girls High School in Mukalmua in 1973. Revived traditional "Durga Puja" in Barkhetri as an annual festivity since 1975, and built a Goddess Durga temple "Chandi Mandir" in Mukalmua.