Blocking view on specific drive

Click Start → Run and type regedit.
2. Scroll Down to following registry keys-
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
If the particular link or path is missing you can create the key for the same name for example if Explorer doesn’t exists in Policies, so you should create a new key (right click on blank space in Policies and type Explorer to create a new key as shown below)

3. Create a DWORD “NoViewOnDrive” and set the value to restrict:-
(Right click in the blank space of Explorer key and Create a new DWord. Rename the DWord as NoViewOnDrive. Double Click the Dword and Set the value data to 8 for blocking view of D: Drive in window explorer.
Drive DWORD Value
A                                     1
B                                     2
C                                     4
D                                     8
E                                     16
F                                     32
G                                    64 and so on.
For Enabling revert back to 0