Cabinets approve various schemes and plans in its recent meeting

Current Context: The following plan was adopted by the Union Cabinet under the leadership of Prime Minister Narendra Modi.

• The "Broadcasting Infrastructure and Network Development (BIND)" Scheme for the Central Sector, with an investment of Rs. 2,539.61 crores until 2025-26.
• The anticipated cost of the National Green Hydrogen Mission is Rs. 19,744 crores.
• Manohar International Airport, Mopa, Goa, will now be known as Greenfield International Airport in Mopa, Goa.
• The Rs. 2,614 billion Sunni Dam hydroelectric project in Himachal Pradesh (HP) also aims to promote the production and use of green hydrogen in the country.
• Central Sector BIND Scheme with an Outlay of Rs. 2,539.61 Crore is Approved by CCEA Up to 2025-26:
• The Ministry of Information and Broadcasting's (MIB) proposal for the Central Sector Scheme "Broadcasting Infrastructure and Network Development" (BIND) at the cost of 2,539.61 crores for the infrastructure development of Prasar Bharati (Akashvani), i.e., All India Radio (AIR) and Doordarshan were approved by the Cabinet Committee on Economic Affairs (CCEA) (DD).
• The BIND program will give Prasar Bharati financial support for the creation of its content, civil construction, and broadcasting infrastructure, as well as aid in the fields of health, education, and entertainment.
• The plan will increase AIR frequency modulation (FM) transmitters in India's geographic and population coverage from 59% and 68%, respectively, to 66% and 80%, respectively.
• Manohar International Airport
• Goa's Greenfield International Airport will now be known as Manohar International Airport after Cabinet approval.
• Ex-post facto clearance for the renaming of Greenfield International Airport at Mopa, Goa, as "Manohar International Airport - Mopa, Goa" has been given by the Union Cabinet, which is presided over by Prime Minister Narendra Modi.
• In honour of the late Dr. Manohar Parrikar, a four-time Chief Minister of Goa and a former Indian Defence Minister, and in recognition of his contribution to the growth of contemporary Goa, the airport bears his name.
• In addition to the airport at Dabolim, Goa, it is the state's second international airport.

Question: 

Q.1 The Ministry of Information and Broadcasting (MIB) approved the proposal for the Central Sector Scheme "Broadcasting Infrastructure and Network Development" (BIND) at the cost of _______.
a. 2,539.61 crores
b. 2,500 crores
c. 2,537 crores
d. 2,585.78 crores