Hii iam learning salesforce Which IDE is mostly used by Salesforce Developers in real time especially in India?
I don't think we have any India specific IDE available or if we need one.
There are many IDE available which you can use. Most famous are Force.com IDE (Eclipse) and Mavensmate. Many also use the Salesforce Developer console and code editor for work. You can use any one of them.
There is a good blog where you can check in detail List of IDE available for Salesforce coding
Salesforce also in process of release SalesforceDX. Which is in pilot and we might use it in future.