Complex sentence: Vikrant started his schooling from INS Shivaji, Lonavala where his father moved to due to his posting and then later did his schooling from Bombay, Uran & Visakhapattnam.
Split into simpler sentences: Vikrant started his schooling from INS Shivaji, Lonavala where his father moved to, due to his posting. Later he did his schooling from Bombay, Uran & Visakhapattnam.