Flipkart — I am unable to update my email id

I used to look for product using my e mail address but never bought anything but accidentally i used another account using my phone no later i got to now the different account i always had bought product using my phone no and have collected many supercoins using this account. When i got to know about that i deactivated my account that was using my email id, and then i tried to update my email address on my account that is using my phone no but it doesn't update that page is just not responding it doesn't take my email id
My email - [protected]@gmail.com