Please note that your Zebpay account needs to be KYC ( Know Your Customer) verified for you to be able to view your receiving address.
Please follow the below steps to resolve this issue for Bitcoin, Litecoin, and Bitcoin Cash.
1) Select the cryptocurrency you would like to receive
2) Tap on Receive.
3) Tap on the "Add new address".
4) You can name the address for future reference and save it.
For Ripple and Ether -
Please submit a support ticket at help.zebpay.com.