Age : 1 year 8 months Height: 2 feet 6 inches Weight: 9kg. Sex-female.Right ear-An identifiable BERA wave V was obtained only at 100 dB nHL stimulation, but not at 90 dB nHL stinulation on right side . I have got good suggestion from honourable Dr. Sumit Bhatti, ENT Specialist and he suggested me to do these tests 1.ASSR 2.Aided Audiometry/ASSR 3. Aided Behavioral/Play Observation Audiometry 4. Impedence Audiogram to rule out middle ear defects. 5. Genetic Testing . 6. MRI & HRCT Temporal Bones I shall be thankful if you kindly inform me the rates of each tests mentioned above and where it can be done better??