Good Starting Points

Dua Ahad

Dua of covenant with Imam al-Mahdi (a.t.f.s.) in Gujarati

Dua Faraj

Supplication for the reappearance of Imam Mahdi in Gujarati

Ziyarat Arbaeen

Ziyarat of Arbaeen in Gujarati — two PDF editions available

Al-Luhoof — Maqtal of Karbala

Authentic and detailed account of the Tragedy of Karbala by Sayyid Ibn Tawus — Gujarati translation — three sections covering events before, during and after Ashura

Maah e Muharram ke Ahkaam

Islamic rulings for the month of Muharram by Mufti Sayyid Faraz Azmi — trilingual edition in Urdu, Hindi and Gujarati — PDF via Internet Archive