Dear All, Shiju Alex from India have prepared a very detailed and informative report based on the statistics of Indian wikipedia projects including Bangla Wikipedia between 2010 Jan 1 and 2010 Dec 31. You can read it here http://shijualex.wordpress.com/2011/02/27/indian-language-wikipedias-2010-st...
The numbers give many valuable inputs for the future activities of wikipedia in Indian Languages.