Clinical Study to Evaluate the Safety and Efficacy BMMNC in Cerebellar Ataxia

Inclusion Criteria: * Age limit: 18 -65 * Diagnosed as Cerebellar ataxia * Willingness to undergo Bone marrow transplantation BMMNC. * To give an informed consent as well as sign the required Informed Consent Form (ICF) for the study. * willingness to regularly visit the hospital / clinic for follow up during the follow up period / on prior agreed time points as per the protocol. Exclusion Criteria: * Patients with pre-existing or current systemic disease such as lung , liver (exception: history of uncomplicated hepatitis A) gastrointestinal , cardiac, immunodeficiency (including HIV) or any other condition determined by history or laboratory investigation that could cause a neurological defect (including syphilis, clinically relevant polyneuropathy) etc. * Women who are pregnant or lactating * Chronic kidney disease due to autoimmune aetiology, connective tissue disease, amyloidosis and storage disorders. * Suffering from Severe co-morbidities like cardiac insufficiency, congestive cardiac failure, malignancy, infection, sepsis and bed sores. * Positive test results for HIV and AIDS complex ,HCV , HbsAg and Syphilis