Infertility, one of the most common disorders confronting gynecologists, has multifactorial etiology. Infertility is a public health problem during the re¬productive age, affecting about 10-15% of couples attempting to achieve pregnancy in worldwide. Infertility is defined as a condition of the reproductive system in which there is a failure to achieve clinical pregnancy after 12 months of regular unprotected sexual intercourse. Study was conducted and the various causes diagnosed in the eligible couples with history of infertility based on clinical examination, Investigations and procedures like hysteroscopy and diagnostic laparoscopy, second aim is to determine the outcome of these studies after intervention carried out in infertile couples. Study was performed in tertiary care centre over a period of 1 year from June 2018 to July 2019, infertile couple with primary and secondary infertility aged between 20 and 45 years were included in the study. In present study 40 infertile patients were evaluated. On detail investigation it was found that causes of infertility were PCOD, multiple adhesions, Fallopian tube adhesions, TO mass, hydrosalpinx, uterine anomaly, Fibroid , blocked fallopian tube. Patients were given treatment like myomectomy, PCO drilling, antibiotics, adhesiolysis septal resection, AKT, ovulation induction depending upon cause of infertility. 10 patients conceived, 10 patients didn’t conceive after taking treatment.5 patients left the study in between and 15 patients didn’t came for followup. Detail evaluation of infertile patient should be done to diagnose cause of infertility. There are many common causes of infertility in females which should be evaluated and given treatment. Patient should be explained significance of follow up to have good outcome of infertility treatment