ADB Approved Loan to Upgrade Power Distribution System in Bangalore

Current Context: The Asian Development Bank (ADB) has approved the loan amount for India to upgrade the power distribution network in Bangalore city.

• ADB has approved the loan amount of USD 100 million (around Rs 730 crore) for same. 
• Besides the USD 100 million sovereign loans, the ADB will also be providing to Bangalore Electricity Supply Company Ltd (BESCOM). 
• The funds will be used to upgrade underground power distribution cables.
• Around 2800 km fibre optic cable will be installed which will boost communication network in the city. These fibre optic cables will be used for smart metering systems, distribution automation system (DAS) in the distribution grid, and other communication networks.
• The funds will be used to upgrade 7,200 km of underground distribution lines which will help to reduce technical and commercial losses by about 30%.
• Also, 1,700 automated ring main units adapted with a DAS will be installed to monitor and control the distribution line switchgears from the control centre.
• Static Part: 
• HQ of ADB: 6 ADB Avenue, Mandaluyong, Metro Manila, Philippines

Question: 

Q.1 Who among the following approved USD 100 million sovereign loans and USD 90 million loans without sovereign guarantee to upgrade power distribution network in Bangalore?
a. Asian Development Bank
b. New Development Bank
c. European Bank for Reconstruction and Development
d. Asian Infrastructure Investment Bank