Restitution of Conjugal Rights

Sir, I am staying in India and employed with an organisation in india. My husband is employed Out of India. I was not ready to move out of India and this was mutually agreed between both families before marriage. My husband and his family has promised my parents that he will return to India before marriage only. However it did not happen and he said that after marriage he will return soon. So our marriage was done and after marriage , he insisted me to join him out of India. After marriage, just for his better career scope In moved out of India. I was fortunate to get Work from Home facility from the organisation. After In conceived and for the child delivery , I returned to India . I delivered a baby girl. After delivery , he started insisting me for moving out of India and stay out of India with Him. I refused this time because I am employed here and feel that child have better growth and enviornment in India I joined my organisation after 3 months of child delivery. My husband is not happy and have created issues in family life . Presently he has sent a legal notice stating that I should not have joined the organisation after 3 months of delivery and should have moved out of India with baby. He has never borne any expenses of mine after marriage . Also he and his family , is not taking care of child . Have I done anything wrong?, Also suggest a way forward, Pls advice