Invitation letters are issued for attendees to submit in support of their visa applications. For those who are authors of papers, speakers, tutorial leaders, or have other specific responsibilities with the conference, this information can be included in the invitation letter. Please send your request for an invitation letter to the conference chair, Prof. S. K. Gupta (skg AT cse DOT iitd DOT ernet DOT in), and include your name, mailing address, and fax number.