BSA Hercules — my gear system has been damaged

Address:

Sadhai behta, Sadhai Behta, Sadhai Behta, Hardoi, Uttar Pradesh, 241001

Suggest me what do i do... Plz solve it... I order this cycle in june... And i recieved it on 30, october 2019.. Can u solve my problem... I used it and i driving it on 1 gear and suddenly i hear some sound and see it's gear system was broker.. I was shocked when i see it in that condition... Please sir solve it... Can u solve it... Please sir suggest me. I m very confused...