Group A: 20 patients were included in this group. This studygroup was assigned with basic treatment protocol with 15 minutes of TENS and thermal therapy for 10 minutes followed by muscle energy technique (Post facilitation stretching exercises). The intervention was given three days per weekfor six weeks. Each total session lasted for 45minutes. METs were applied for the weakened muscles.

Group B: 20 Patients of this group were given core stability exercises by the female physical therapist in three different levels. Each level continued for a duration of two weeks in which the patients were trained for the exercises. The patients were provided sessions thrice per week with 2 sets of 10 repetitions and a hold of 10 second after TENS for 15 minutes and thermal therapy for 10 minutes.

Group A: 20 patients were included in this group. This studygroup was assigned with basic treatment protocol with 15 minutes of TENS and thermal therapy for 10 minutes followed by muscle energy technique (Post facilitation stretching exercises). The intervention was given three days per weekfor six weeks. Each total session lasted for 45minutes. METs were applied for the weakened muscles. (21). Group B: 20 Patients of this group were given core stability exercises by the female physical therapist in three different levels. Each level continued for a duration of two weeks in which the patients were trained for the exercises. The patients were provided sessions thrice per week with 2 sets of 10 repetitions and a hold of 10 second after TENS for 15 minutes and thermal therapy for 10 minutes

Visual Analogue scale is a numeric scale ranging from 1 to 10. These ranges show the intensity of pain where 1 shows no pain and 10 shows worst pain imaginations. It is a very reliable and valid tool with test-retest reliability of r = 0.96 and validity correlations of 0.86 to 0.95.

Oswestry Disability Index was calculated in order to find out the disability among patients. ODI evaluates disability related to Activities of Daily Living. This is considered to be the best tool for evaluating low back issues. It encompasses 10 questions with each question scoring five. Questions related to pain, personal care, walking, standing, lifting, sitting, sex life, sleeping, social life and travelling are included. The interpretation shows minimal disability if the patient score is 0-20%, moderate disability if the score is 20-40%, 40 - 60% severe disability, 60 - 80% crippled and 80 - 100 % depicting that the patient is either bed bound or overly expressing the symptoms

This questionnaire is used to assess the functional performance in different domains of life like physical, body pain, mental, social and psychological. The questionnaire encompasses questions based on 7 domains of life. The minimum score of SF-36 is 0 which means that the functional performance is worst whereas the highest score is 100 which means that functional performance is best