divorce

my wife was 3month pregnant when she left me(April 2017). now the baby is 6 month old. for regular checkups for baby she never called me more 1yr she never called me.but when baby born on that her brother called me at night 1:45pm they had taken her hospital 11pm.my house is barely 5 minutes away by walking at least they can call me to join. by all this I came to conclusions she don't care for me so I decided to get divorce.the reason she left mouth conversation & one more thing she use to left me 3 times in 3 yrs of marriage.pls help me out what to do I have handicap brother elder can't speak or walk my mom & dad expire long back