While the official Sistani.org website is the most authoritative source for online rulings, the Hindi version of the book can be found through several dedicated portals:
Tauzeeh Ul Masail Sistani : AMEER HUSSAIN - Internet Archive Tauzeeh Ul Masail Sistani Hindi Pdf Download
For offline access, the Sistani Tauzeeh - Urdu/Hindi apps on the Google Play Store provide a searchable database of the latest laws directly from the Ayatollah's office. Key Topics Covered While the official Sistani