2023年3月10日,印度电信工程中心(TEC)发布了关于单模光纤和光纤电缆产品”强制性测试和认证” (MTCTE) 规范(ER)下部分可豁免的测试项目,除另有通知外,有效期至2023年6月30日。豁免测试项目如下:
| 产品名称 | 测试项目 | 
| 单模光纤 | Mechanical Characteristics Proof test for minimum strain level | 
| Material Properties- Fiber Materials- The substances of which the fibres are made | |
| Colour qualification for color fibres- MEK RUB Test (Methyl Ethyl Ketone) | |
| 光纤电缆 | Lightning Test | 
| Termite and Rodent Test | |
| Shotgun resistance Test | |
| DC Resistance | |
| Short Circuit Test | |
| Lightning Arc Test | |
| Salt Spray Corrosion Test | |
| Flame Spread- Bunched cable | |
| Smoke Test | |
| Acid gas (Toxicity) (Test on toxic gases evolved during combustion of materials from cables) | |
| Flame retardant | |
| Damp Heat Test | |
| Electrical Characteristics - Power Feeding Wires | |
| Transfer impedance and Coupling attenuation | |
| Requirements for fire performance of Optical/metallic hybrid cables should meet fire safety regulations |