Correct option is A
The correct answer is 4 years.
· The Mars Orbiter Mission (MOM) is ISRO’s first interplanetary mission, launched on November 5, 2013.
· MOM successfully entered Martian orbit on September 24, 2014, on its very first attempt.
· MOM marked 4 years in orbit on September 24, 2018, even though its mission was originally designed to last only six months.
· During this time, the spacecraft successfully overcame challenges like communication blackout and whiteout geometry.
· MOM earned several accolades for its cost-effectiveness, quick realization time, and economical weight budget.
Additional Information:
· The Indian Space Research Organisation (ISRO), often abbreviated as ISRO, is India's primary space research agency, established in 1969, replacing the earlier INCOSPAR.
· ISRO’s headquarters are situated in Bengaluru, Karnataka.
· The organization’s vision is to "utilize space technology for national development", while also engaging in space science research and planetary exploration.
· ISRO operates under the Department of Space, which directly reports to the Prime Minister of India.
· ISRO is responsible for managing one of the world’s largest fleets of communication satellites (INSAT) and remote sensing satellites (IRS).