Hi jminesh Welcome to Fish Lore
I'm sorry to say the fish you've chosen aren't suitable for a tank your size.
Many of us have made the mistake of listening to the store when it comes to stocking advice.
The angels do best in at least a 20g tall tank.
Your tetras are schooling fish and prefer more of their own kind as do the cherry barbs.
Unfortunately your tank isn't large enough to handle several schools of fish.
You could go with 5 Bloodfins
or 5 Cherry barbs
If at all possible, you should look into getting a bigger tank or better yet, returning your fish and cycling your tank fish less. (This is explained in the link I'm providing)
I'm sorry I couldn't give you better news.
Here's a link to some beginner topics that will help you along. Please pay close attention to the information on the
nitrogen cycle.
http://www.fishlore.com/Beginners.htm
Hope you enjoy the forum and ask any questions you have. The members are always happy to help.
