How to install ipa file in IPAD/Iphone

Tools required for Installing  ipa file in IPAD
        http://www.apple.com/itunes/affiliates/download/

How to install ipa file in ipad/iphone through itunes
  1.  Connect the usb cable from ipad to mini mac or CPU
  2.  Open the itunes and ensure the devices is listed  under devices section
  3.  Click once on your device name listed in left side
  4.  Click on apps Under library section
  5.  Just drag your ipa  file from your desktop and put in itune apps
  6.  Now again click on your device -App , you can find your app
 7.  Select the checkbox of the app need to get installed
 8.  Click on sync or apply.
 9.  Wait for a while still it says "complete"

How to install ipa  file from test flight
  1. Just open your testflight mail received from  Dev team in your ipad
  2. Just click on the test flight link it will start installing the ipa file in ipad or iphone.