Need advice - Dad changed his mind about funding my studies

Assalamualaikum, I’m really confused and don’t know what to do. My interest is in humanities and research, and I did well in those subjects. Then my dad told me if I switch to STEM he would send me abroad to study. He even showed me bank documents (they seemed real) to convince me that I’d have a comfortable life overseas if I followed his plan. I come from India, which I don’t always feel safe in as a Muslim, so I gave up my passion and changed to STEM like he wanted. I even repeated my final year of school for STEM because he asked me to. But now he’s backtracking. He’s saying he can’t afford to send me abroad - which feels like a big lie because I saw those papers and he has a steady well-paid job. I’m his only child and mostly taken care of by my mom’s money. My dad is a gazetted officer and owns some assets. Now he’s saying he doesn’t have any FDs? 😭 (I still saw the papers, so why is he lying?) He’s even lying about his job. Does he think I’m a child? On top of that he’s telling me that in Islam his duty is only to feed and clothe me, not to pay for my education 💀💀. How can I explain to him, from an Islamic perspective, that financially supporting my education can fall under his responsibilities as a parent? I want to remain respectful but also make him understand that enabling my education is part of caring for my future. Any advice on what arguments from fiqh, respectful ways to talk to him, or steps I can take would be really appreciated.