What should I do? I should live or commit suicide

I have been staying alone from the last 5 years my wife left me but I don't know where she is staying right now , . I have her office address and phone number. In 2018 we were agreed in mutual divorce and she came to Alipore court and after seeing the affidavit she was not ready to sign and left. I have son, he is staying with her. I live in Chandigarh and my home is in Tollygunge and her parental home is in Ashoknagar habra. I called her several times she is sitting silent without any response and she is big official of wet bengal government and I am working private college, my father age is 75 and mother is 70 and we are brother and sister, sister also divorced. What should I do? My age is 44