The 21-year-old defender is a member of Georgia U-21 football team.
Chachua has joined his countryman Luka Nozadze in the Rasht-based football team.
Ali Karimi’s Sepidrood sits second bottom of the Iran Professional League (IPL) table.
Furthermore, Sepahan striker Sasan Ansari joined Tractor Sazi on a 2.5-year contract.
Esteghlal striker Jaber Ansari penned an 18-month contract with Paykan.