To read Wichaar properly you need Alvi Nastaleeq font installed on your computer.

You can download font from link given below.

http://alvi.urdushare.net/blog/200811/download-alvi-nastaleeq/

How to install font.

1-Click above linke to download Alvi Nastaleeq Font in ZIP file and save file on you computer.

2- If you are running Windows XP Right click ZIP file and select “Extract All” from menu.

3-Once file is Un Zipped, Copy Alvi Nastaleeq.ttf file and

4- Opne "My Computer" > C drive > Windows> Fonts Folder.

5. Copy that font file in fonts directory.

6. Press F5 to refresh fonts database.

7. Now you must be able to read Wichaar Properly.