Indian Army Public Schools's motto is 'Truth is god'.
Indian Army Corps of Engineers's motto is 'Ubique'.
The motto of Indian Army Corps of Signals is 'Swift and Secure'.
Indian National Army's motto is 'Itmad Ittehad aur Qurbani'.
Army Public School Noida's motto is 'Truth is God'.
Contrary to a previous answer, this motto is nothing to do with the 17th/21st Lancers. The motto of the 17th/21st Lancers is 'Death or Glory'. 'Death before Dishonour' is the motto of 41st Battalion, Royal New South Wales Regiment, of the Australian Army. It's also the motto of 90 Armoured Regiment, of the Indian Army.
The motto of Venezuelan Army is 'Forger of liberties'.
Paraguayan Army's motto is 'To win or to die'.
The motto of Malaysian Army is 'Strong and Loyal'.
The motto of Moped Army is 'Swarm and Destroy'.
This We'll Defend is the United States Army's motto.
The motto of Portuguese Army is 'In dangers and wars strengthened'.
Indonesian Army's motto is 'Kartika Eka Paksi'.