Complex sentence: The culmination of this cultural movement was the formation of "Manipuri Sabha" in 1933, later it named as "Nikhil Hindu Manipuri Mahasabha" (NHMM).
Split into simpler sentences: The culmination of this cultural movement was the formation of "Manipuri Sabha" in 1933. Later it was renamed as "Nikhil Hindu Manipuri Mahasabha" (NHMM).