Suggest Treatment For Irregular Periods

hello doctor,this is isha here i have problem with my peroids.sometimes my periods starts 5-10 days later n somtimes it delays more than it and my stomach pain's badly.I have taken 8-9 bottels of ashokarisht after taking it my periods gets normal and pain is also in control.I have also consulted with a lady doctor but it hardly works. what should i do?