86. The Indian Postal Accounts and Finance Service is responsible for:
a) Accounts and finance management for postal services
b) Air quality monitoring and pollution control
c) Promotion of traditional medicine and Ayurveda
d) Rural electrification and power distribution
87. The Indian Postal and Telecom Service is primarily involved in:
a) Postal and telecommunication services and management
b) Water supply and sanitation services
c) Promotion of tourism and cultural heritage
d) Skill development and vocational training
88. The Indian Railway Service of Electrical Engineers is responsible for:
a) Electrical engineering works for the railways
b) Financial management and budgeting
c) Promotion of sports and physical education
d) Protection of wildlife habitats and ecosystems
89. The Indian Railway Service of Engineers is primarily involved in:
a) Civil engineering works for the railways
b) Water resource management and irrigation projects
c) Promotion of organic farming
d) Protection of consumer rights
90. The Indian Railway Service of Mechanical Engineers is responsible for:
a) Mechanical engineering works for the railways
b) Waste management and sanitation
c) Promotion of small-scale industries
d) Child welfare and development programs