Pune Police have registered a case of abetment to suicide and extortion against an NCP (Ajit Pawar faction) candidate and three others following the alleged suicide of a 56-year-old businessman. The deceased's son filed a complaint alleging financial and mental harassment and an extortion demand of Rs 50 lakh, as detailed in a recovered suicide note. Police are investigating the allegations, including financial transactions and the background of those named, stating they are proceeding strictly according to law.