Srisys Inc Successfully Launches navTTD App by admin | Oct 8, 2018 | News | 0 comments Srisys Inc Successfully Launches navTTD App by admin | Oct 8, 2018 | News For the benefit of millions of devotees visiting the holy shrine of Lord Venkateswara at Tirumala the navTTD app has been launched. This app has multiple features to help both new and recurring visitors. Read the full news here. Srisys Inc successfully launches NavTTD App Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.