https://www.desidime.com/discussions/ekart-customer-care?page=1#post_9237712
There is no Phone Number either Provided by Flipkart or Ekart Website!
You have to visit the Center according to your PINCODE manually (Take the help of Google Maps) and talk to them!
I have also been facing one of the issues with Flipkart, soon I will be posting a thread on that!