Complex sentence: While he was in Southern India, her wife (Currently residing in Northern India) chooses to back stab him, instead of applying for separation (divorce) she chooses to defame him by going public with the issue.
Split into simpler sentences: While he was in Southern India, her wife (Currently residing in Northern India) chooses to back stab him. Instead of applying for separation (divorce) she chooses to defame him by going public with the issue.