Complex sentence: Tina Sani was born in Dhaka, at the time East Pakistan, and later on spent her early teens in Kabul, where her father, Nasir Sani, was posted in an oil company, before moving to Karachi, where she earned a diploma in design.
Split into simpler sentences: Tina Sani was born in Dhaka, at the time East Pakistan. She was born in Dhaka, and spent early teens in Kabul before moving to Karachi, where she earned a diploma in design.