Hello,

Lucent GK a good book but definitely not enough.
You will have to refer to these books listed below in order to clear Indian Army Military Nursing Service(MNS) exam:

• Indian Army Military Nursing Services BSC Nursing Entrance Exam Books by A Panel of Authors

• Study Kit For Indian Army Military Nursing Service by 'bookhive India'

• Military Nursing Services MNS for BSC Nursing exam in Indian Army by Ram Singh Yadav (Author), Yajvender Yadav

• Indian Army MNS Practice Book by yct

I hope this helps.