Index International Group Public Company Limited announced that the Company has signed Contract for Construction Supervision for New Railway Line Project, Den Chai - Chiang Rai - Chiang Khong. The details are as follows; Client: The State Railway of Thailand (SRT); Signing Date: October 21, 2022; Estimated Contract Value: THB 162,925,760 (Including VAT); Project Duration: Approximately 95 months.