Samsung India seems to have finally started rolling out Android 4.0 update for Galaxy Tab 750 aka Tab 10.1 in the country. The update is 232.71MB in size and is being released over-the-air (OTA) as well via the Kies app. If the update fails OTA for you, try it via Kies app.
Company has pointed out that settings for music playlist, APN, Samsung account and more will be reset during the update, so make sure you have backup.
The update will bring redesigned UI, improved multi-tasking, better notifications, faster browser and many other features. As company points out in update notification, tt would also download a new e-book app from the Samsung Apps when you open the app for the first time after the update.
Do let us know about the experience with the update in the comments.