GST exemption on upfront amount payable in installments for long term lease of plots

Representations have been received by the Board seeking clarification regarding admissibility of GST exemption on the upfront amount which is determined upfront but is paid or payable in installments for long term (thirty years, or more) lease of industrial plots or plots for development of financial infrastructure under Notification 12/2017 – Central Tax (R) S. No.41 dated 28.06.2017