Complex sentence: When the Filmcenter management closed operations in 2000, he joined "Filmlab" in Goregaon-East, Mumbai, and was initially appointed as General Technical Manager, taking part in setting up a state of the art film processing laboratory.
Split into simpler sentences: When the Filmcenter management closed operations in 2000, he joined Filmlab in Goregaon-East, Mumbai. He was initially appointed as general technical manager, and took part in setting up a state-of-the-art film processing laboratory.