sajalshakya, maybe you're right. The HBL is not in the list.

https://nrna.org/about-nrn-foreign-currency-account/
4. What Are Benefits Of NRN Foreign Currency Account?
There benefits of NRN Foreign Currency Account are mentioned below:

• Interest rate of 5% or above (Varies according to Bank).
• Hassle-free repatriation of principal and interest without any charge.
• Waiver on Card charges, Internet banking facility and mobile banking facility (Varies according to Bank).
• Special concessions on conversion of FCY deposit into NPR, as per your need and convenience (Varies according to Bank).
• Be privileged to carry Premium VISA international card with 24 hours services (Varies according to Bank).
• As the account is opened in foreign currency, there is no exchange rate fluctuation risk.
5. How NRNA Is Working To Solve The Issue Of Liquidity In Nepal?
NRNA is coordinating with Government of Nepal for policy amendment in favor of NRNs as well it is motivating the Nepalese Diaspora to open Foreign Currency Account in Nepal to solve the issue of liquidity in Nepal.
6. List Of Banks
The list of Banks are enlisted below:
S.No Banks View
1 Citizen Bank International View
2 Everest Bank Limited View
3 Global IME Bank View
4 Kumari Bank Limited View
5 Laxmi Bank View
6 Machhapuchhare Bank View
7 Mega Bank Limited View
8 Nepal Bank Limited View
9 Sanima Bank View
10 Standard Chartered Bank View
11 Sunrise Bank View
***Please email us if you want to list your bank at info@nrna.org