Could it be compulsory to sign up on this portal as a way to apply for a service? Yes, registration on Seva Sindhu website is required for citizens prior to implementing for your service. Is there any mobile software accessible for Seva Sindhu? This Office allows the applicant to use http://seva-sindhu-karnataka-gov50594.win-blog.com/5466159/what-does-seva-sindhu-karnataka-gov-in-hindi-mean