Cannot Cancel

I'm not happy with this Company at all. I needed home insurance and didn't realise my vehicle insurers offered this so I responded to an online Outsurance ad. On 20th November Mr Moonsamy signed me up and gave me a great undercut on vehicle insurance as a sweetener. I cancelled my KP Vehicle Insurance immediately but was called by them as they didn't want to lose me. They asked me to double check the new policy which I did. I discovered Mr Moonsamy had downgraded my vehicle insurance from Comprehensive to Essential which didn't give me a good level of protection. I'm 63 and and widowed. KP offered me home insurance and vehicle insurance at an extremely good rate so I agreed to remain with them. On 21st November I cancelled my new Outsurance Policy with Mr Moonsamy, saying no hard feelings but letting him know that he hadn't rep**** to an email I'd sent him either. He promised to cancel and send confirmation. On 22nd I asked again. Mr Moonsamy emailed to say he would phone me as he "never gets replies from retentions". When he phoned, he put me through to cancellations. After a long winded call my Insurance was finally cancelled. Hardly quick or pleasant. From 25th I've been inundated with policy information....calls, emails and messages telling me that my Policy OT117 806 169 is active. Please. I need proof of cancellation. I need this all to stop. I emailed this to Mr Moonsamy but he didn't reply. Really shoddy, inconsiderate service with lots of ball dropping. The next thing I know a premium will be deducted! I need Proof of Cancellation, termination or whatever. I'm tired of this whole thing.