I generally work on Many Indic wikis like Hindi, Punjabi, Sanskrit, English, Hindi Wiktionary.My main contributions are following-
Developing and Maintenance of Devanagari tool
I did many technical implementation on hindi Wikipedia Which include establishment of many user groups like Sr. User, Interface Admin, Eliminator, Reviewer, Patroller, AutoPatrolled, Abusefilter manager, Rollbacker, Flood, Botadmin, Filemover.
I made many Abusefilters, nearly all first 79 filters are created by me.
I installed many gadget on Hindi WIkipedia, it was the first Indic Wiki to have such gadget facility, nearly all gadget were brought by me in this project.
I maintained Devanagari tool for Hindi Wikipedia when it was transfered to vector theme hindi wiki was one of the first to have this tool in vector theme.
I maintained Common.js and Common.css files to improve interface this wikiproject.
I brought many tools Twinkle and Huggle to this Wiki project.
Many good user were promoted me to special groups.
I brought Wikilove, Quiz, Abuse filter and Flag rev extensions to this Wiki and maintained them as well.
I brought Media wiki bot नया सदस्य सन्देश on this Wiki which have delivered thousand of welcome messages to new users talk page
My Contributions in Wikimedia Projects till 20/11/2011-
Local wiki
Edit count
Local groups
hiwiki
500446
Former abusefilter, Former autopatrolled, Former bureaucrat, Former import, Former interface_editor, Former sysop, Former transwiki, Autoconfirmed till 22/03/2012. As of present I hold no user group right.
enwiki
12500
filemover, rollbacker, Autoconfirmed
newwiki
8032
Autoconfirmed
sawiki
5443
sysop, Autoconfirmed
pawiki
2711
Former Sysop, Autoconfirmed
bhwiki
2350
Autoconfirmed
hiwiktionary
1166
Former bureaucrat, Former sysop, Autoconfirmed till 22/03/2011