Step 1 : First one has to make sure that all the required documents are in hand to apply online. If you would like to know about the documents that are required for this procedure, please visit the following link : Required Documents for Obtaining Idea Mobile Connection
Step 2 : Please use the following link to obtain new SIM card online : Online.
Note: Only the Postpaid connection can be availed through online.
Step 3 : If you want postpaid connection then click “Postpaid” option which is highlighted in RED in the below image.

File:Idea postpaid 1.gif

Step 4 : In this page please select “New Connection” option which is highlighted in RED in the below image.

File:Idea postpaid 2.gif

Note: Now you will be taken to the Vodafone postpaid connection page since Idea and Vodafone became telecom partners.
Step 5 : Now choose a plan from the available options. Refer the below image where the best plans are highlighted in Yellow.

File:Vodafone postpaid 2.gif

Step 6 : Now enter all the personal details in the appropriate textbox and click “Proceed” tab which is highlighted in Yellow.

File:Vodafone postpaid 3.gif

Step 7 : After the submission of your request, you will receive call from the Vodafone partners. Please follow their instructions to obtain the SIM card.