Simplilearn — Cancellation of subscription and refund

Hello sir my name is Keshav Kumar i have enrolled in simplilearn in cyber security executive program on 23 November later their learning cunsultant told me that i can canc it within a week it's just a refund policy.later on next day i told him on 24 November to cancel the course.but they are not accepting this they still sents different emails but not cancelling it i m unable to pay the emi .i m getting emails for paying emis .i have them screen shot of that chat between their cunsultant and me as a proof that to cancel the programme but they are not accepting it .i lost my job and have medical conditions i m unable to pay the emis please cancel it .i told them to cancel it within a week it's their mistake not mine, please cancel this subscription and refund it i don't want to pay any emi