Ramayana
बलस्यपरिमाणंचद्वारदुर्गक्रियामपि । गुप्तिकर्मचलङ्कायारक्षसांसदनानिच ॥ ६-३-४
''About the strength and size of the army, the number of gateways that are difficult to enter, the way in which the entrances have been protected by the rakshasas - ॥ 6-3-4॥
english translation
balasyaparimANaMcadvAradurgakriyAmapi । guptikarmacalaGkAyArakSasAMsadanAnica ॥ 6-3-4
hk transliteration by Sanscript