Answer: (Detailed Solution Below)
Option C: Bharati and Maitri
Detailed Solution:
The correct answer is “Bharati and Maitri”.
Bharati and Maitri are India's permanent and operational research stations in Antarctica.
1) Bharati is India's third research station and was commissioned in 2012.
2) Maitri is India's second research station and was established in 1989.
Dakshin Gangotri was India's first research station but is no longer operational.