I am a paytm user. I have ordered many items from paytm.
The delivery speed is little slow than other websites.
The customer support is very strong and appreciable.
Paytm mainly focuses an booking tickets for movies, flights, train etc.
You can also recharge for various devices.
Product sold here are almost genuine.
This app is very good and the wallet option is also very good. You can transfer your money directly to bank account.
You get here a lot off coupons for shoping and other needs which is very great thing when you are an online shopper.
You can buy items with confidence but I suggest you not ti but too much expensive items because the delivery speed is very slow.