The goal of this clinical trial is to examine the effect of mulligan straight leg raise versus slump stretching on pain, disability and hip range of motion in patient with low back pain. . Convenient sampling technique will be used to enroll the patients. Patients will be inquire into basis of pre formulated eligibility criteria. Written Consent will be taken from each patient before starting interventional sessions. Sample size of this study will consist on the participants who will qualify for both inclusion an exclusion criteria. Both groups will receive ultrasonic therapy and hot pack therapy as baseline treatment. Group A will receive mulligan straight leg raise and group B will receive slump stretching. The assessment of patients will be done at baseline, 4th and 8th week. The outcomes from patients will be calculated by using Visual Analogue Scale (VAS), Goniometer and ODI. The comparison between pre-treatment and post-treatment data will be done after 8th week. Data will be analyzed through SPSS 25.

Inclusion Criteria:

• Patients who have active positive knee extension test(APKET).
• Patient having low back pain for more than 3 months.
• Patients who have been sitting for three hours.

Exclusion Criteria:

• Any active infection, tumor, tuberculosis.
• History of trauma.
• Subject with intervertebral disc prolapse.