परम प्रसाद  =  the sacrament
To receive the sacrament

परम संस्कार
An important religious ceremony; a formal religious act conferring a specific grace on those who receive it; the protestant sacraments are baptism and the lord's supper; in the roman catholic church and the eastern orthodox church there are seven traditional rites accepted as instituted by jesus: baptism and confirmation and holy eucharist and penance and holy orders and matrimony and extreme unction