Tenders for Supply of Pvc Sheet Board, Size-7 X 4. Make- Sona/Shakti Or Similar Warranty Period: 30 Months After The Date Of Delivery Pvc Sheet Board, Size- 8X6. Make- Sona/Shakti Or Similar Warranty Period: 30 Months After T He Date Of Delivery Pvc Sheet Board, Size- 8X10. Make- Sona/ Shakti Or Similar Warranty Period: 30 Months After The Date Of Delivery Pvc Sheet Board, Size- 4 X 4. Make-Sona/Shakti Or Similar Warranty Period: 30 Months After The Date Of Delivery