Khazana Jewellery — I have not got any benefit from scheme

Sir Due to lock down and unavailable of income i had not paid scheme completely only 3 months i paid now i would like to pay remaining money but your team said the scheme policy expire on 25 sept and also telling you will not get any benefit and the gift which you collected that money also deducted this information they did not mentioned while joining in tge scheme please suggest me i dont want to extend that scheme and also not intrested to loose my money