Natures Basket — order not fulfilled and payment not refunded

I had placed on order on natures basket website www.naturebasket.co.in.My order no. Ord2014932. Delivery location mumbai.
The amount i paid through paytm wallet for my order was rs.2271 (Paytm order id: 2014932, transaction id:[protected]) date of transaction 26 april, 10:47 pm. After follow up very few items were delivered and company asked if i would be ok taking part order or would like to cancel the order. I opted for cancellation of the order, however payment was not refunded to me. I have put a number of mails for the refund however there has been no response from their end. I tried contacting them on their customer support number [protected] regarding the refund, however the call was not connected to the customer support agent.