55 yrs old female with Rt leg pain associated with tingling numbness since 6 yrs. She was unable to walk due to pain. Her X-ray’s and MRI shows spina bifida of L5 vertebra with severe ligamentum flavum hypertrophy and compression of L5-S1 nerve roots. She was treated with minimal invasive technique and right sided hemilaminectomy and root release done. Patient is recovering well.