Mental retardation (MR) relates to serious deficiencies of current functioning. It begins before the age of 18 and is distinguished by substantially sub-average intellectual functioning, occurring in two or three of the following relevant functional ability fields at the same time with associated limitations: communication. About self-care. DHANDA PSYCHIATRY CLINIC IS one of the best mental retardation treatment clinics in Ghaziabad. working with such categories of mental retardation treatment, Dr. Akhil Dhanda is extremely specialized and well trained. Call now for more information! 9971402789