Which Banks in Sri Lanka Are Best for LC Opening and Related Matters?

Looking to get some opinions from people with experience dealing with banks in Sri Lanka for Letters of Credit (LCs).

Which banks have you found to be the fastest, most efficient, and responsive when it comes to LC opening, documentation, amendments, and other LC-related matters?

Would appreciate hearing about your experiences, including:

1. Speed of LC opening and processing.
2. Responsiveness of the trade finance team.
3. Overall efficiency and customer service.
4. Any banks you would recommend or avoid.

Whether you’re dealing with imports, exports, or regular business transactions, your insights would be really helpful. Thanks in advance!