Boat — Gave me used and defective product..

I ordered boat rockerz 335 steel blue (order no 386485 ) on 21st may 2021 ...i received my order at my home on 26th may 2021...i complaint various times to boat and national consumer helpline ( complaint no 2796898, 2770295, 2763850, 2768315 in NCH )...that i received used product ...now it is not working properly...so i want refund and take back yours used boat rockerz 335 steel blue...i have seen boat replacement ( refer boat ticket id 2322309) almost took 2 months to replace my previous product that i purchased in 2020...so i dont want any replacement of this product...i need refund ... boat take back rockerz 335 steel blue... i have already communicated boat many times and raised complaint in nch also...i dont want any replacement as i cant wait 2 to 3 months...i want refund refund refund...i wasted so much time...mental stress that boat has given to me.. other customers should not suffer like me