Tech-Connect Retail Private Limited — red chief shoes

Address:

Unit No. 403,4th Floor, Baami1, Next to hilton double tree hotel, Golf course road sec 56, gurgaon, Gurgaon, Haryana, 110076

I have ordered redchief slip on for men shoes orger id OD[protected] and invoice number is #FAAVUF[protected] from flipkart and it is sold by Tech connect retail private limited and i received my order on around 8th or 9th of December 2018 as bill date is of 06th December, 2019 and after using it for four months its sole started to come out and also get torned. How can a products sole can come of after using for just four months. How tech connect retail private ltd. is selling these products, and now i want a refund on early basis.
My contact details are [protected]