Prostar is a musical unit of New Gujranwala musical instrument manufacturers established since 1970 in Punjab India. It is one of the famous instrumental showroom form where singers and other musicians came to buy products eitherTraditional or Modern Instrument.Prostar is a musical unit of New Gujranwala musical instrument manufacturers established since 1970 in Punjab India. It is one of the famous instrumental showroom form where singers and other musicians came to buy products eitherTraditional or Modern Instrument. Prostar is a musical unit of New Gujranwala musical instrument manufacturers established since 1970 in Punjab India. It is one of the famous instrumental showroom form where singers and other musicians came to buy products eitherTraditional or Modern Instrument.