Welcome to HCM.
You are suffering from irregular heavy bleeding for more than 2wks.It may be due to hormonal imbalance or uterine pathology.
First of all you do a USG lower abdomen to evaluate underlying pathology with some hormonal study like blood estrogen & progesterone
,thyroid profile,LH/FSH with Lipid profile
After investigations,consult with your doctor.You may need Progesterone pill like Duphaston
10mg BD or Regestrone
5mg BD/TDS for 10-15 days for at least 3 cycles.
Also reduce some body wt(keep around 65 kg),avoid fatty food,do regular exercise,avoid stress and proper sleep.