A very unique sub-class of WAG 9s which is --

WAG 9 ❌
WAG 9H ❌
WAG 9Hi ❌
WAG 9HC ❌
WAG 9 HH ❌
WAG 9 Twins ❌

But WAG 9i ✅

31502 KZJ (ex - LGD) WAG 9i, with its faded paint looped at Tatanagar with a loaded BTPN rake.