A provisional application is not published. An application for a patent is only published after a complete specification is filed. The complete specification shall be published after 18 months from the date of provisional application, or from the date of priority of the application, whichever is earlier.
According to R.74A, on payment of the prescribed fee, after the grant of the patent, the provisional specification, or any other document as mentioned in the rule can be inspected at the appropriate office.