According to the science known to Ushanas, arrays called Shakata, Padma, and Vajra, should be formed, O Bharata, for fighting the enemy.
अथोपपत्त्या शकटं पद्मवज्रं च भारत। उशना वेद यच्छास्त्रं तत्रेतद् विहितं विभो॥