Well ovacare tablet contains mainly minerals and vitamins
which helps in maintaining Ovaries in good shape (like replacing the engine oil every 3000 km in a car, keeps engine in better condition)
but do not help in getting pregnant.
you have been having 43 days cycle so the best chances to get pregnant is during fertility
window while you are ovulating, for the best chances to get pregnant are from 16 days to 21 day from last menstrual withdrawal/ bleeding, ( if last day of menses is 14 march the the fertility window will be 1 april to 5 april ), more over the intercourse position is also important for the sperm have best possible chance to enter, mostly the female in bottom /missionary position is considered better, and keep lying for 30 min after ejaculation with the legs on the pillows and head flat to make incline position for sperm entry in the uterus