AIGDSU CHQ Letter : Revision of line limits for conveyance of cash and consequent enhancement of security bond amount. AIGDSU CHQ Letter : Revision of line limits for conveyance of cash and consequent enhancement of security bond amount. How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post. Share WhatsAppFacebookTelegramTwitter