Wife threatening of commiting sucide if I don't seperate from parents

I married to my girlfriend 3 months back. Before marriage I had given her clear idea that I stay in joint family I will continue after marriage. She was agreed to that so we proceed to marriage. Only after 1 month of marriage, she started to demanding me to take separate home and live with her only without parents. I am from poor family and my dad lost his job many years ago. They are completely dependent on me. My wife is working women and gets 55000 salary per month. same as mine. She is giving travelling time issue to office as a reason as her office is at 2 hours journey by train in mumbai but she is not ready to switch job and look for companies nearby. Situation got worse since last month she went to her parents house after fighting and now giving me daily suicide threats if I dont agree to her demand of leaving my home & parents for her. She is still staying in her parents house. She did given all these threats on Whatsapp & call. I have messages as proof. please help.