Whether non taxable goods are included in aggregate turnover of threshold limit of rs.20 lacs for registration under gst act??

YES, exempt supply are included in aggregate turnover of threshold limit of rs.20 lacs for registration under gst act

"aggregate turnover" means the aggregate value of all taxable supplies (excluding the value of inward supplies on which tax is payable by a person on reverse charge basis), exempt supplies, exports of goods or services or both and inter-State supplies of persons having the same Permanent Account Number