My favourite opera of his. Here are the transliterated Sanskrit lyrics from the libretto PDF:
spoiler
yo-tsyu-ma-na [yo-tsyu-ma-na]n
u-vāk-shā hum yu ā-tā
tru su-ma-gu-ta:||
Dhar-tu-tash-tru-syu dūr-būd-hār [dūr-būd-hār]
yūd-hā pre-yu-chi-kēr-shu-vu.
ā-vum ook-to Hri-shē-kā-sho
gū-da-kā-shā-nu, Bha-ru-tu,
sā-nu-yor oo-bhu-yor mud-hyā [-yor]
stha-pu-ye-twa ru-tho-[ru-tho-]tu-mum
kri-pu-ya
pu-ru-ya-vish-to:|
vi-she-dun e-dum u-bru-vēt:|
kar-pun-yu [-pun-yu]
do-sho-pu-hu-tu-svu-bha-vuh
pri-cha-me twa
[pri-cha-me twa, pri-cha-me twa]
dhar-mu-su-moo-dhu-chā-ta:||
yuch chrā-yu syan [-yu syan],
nesh-[syan, nesh-] chi-[nesh-chi-]tum [-chi-tum]
broo-[-tum broo-]he tun mā, chā-ta:||
shis-yus tā
hum, sha-dhe
mam twam pru-pu-num:||
kri-pu-ya
pu-ru-ya-vish-to
vi-she-dun
e-dum u-bru-vet:||x3
u-thu chāt, [-thu chāt, chāt]
twun e-mum dhar-myum
[e-mum dhar-myum]
sum-gra-[-gra-]mum [sum-gra-mum]
nu ku-rish-yu-se [ku-|rish-yu-se]
tu-tuh swu-dhar-mum kēr-
[kēr-]tim [-tim] chu
hit-va pa-pum u-va-psyu-se
[u-va-psyu-se]
hu-to va [-to va] prap-
[va prap-]syu-se svar-gum
[-gum] jit-va va bhok-shyu-
[-shyu-]sā mu-[-sā mu-]hēm:||
tus-mad oo-[-mad oo-]tish-[oo-tish-]thu,
Kaun-tā-yu, yu-dha-yu
[dha-yu] kri-[-yu kri-]tu-nish-chu-yuh:||
sū-khu-dūk-khā su-mā krit-va
[-dūk-khā krit-va] la-bha-la-bhau
jī-a-jī-yau [la-bhau],
tu-tō yū-dha-yu
yū-jyus-vu
nā-vum pa-pum:||
u-vap-syu-se.:||
tum tu-tha kri-puya-vish-tum u-
shrū-poor-nu-kū-lāshu-num
vi-shē-dun-tum e-dum
va-kyum [va-kyum] oo-va-chu ma-dhū
[-dhū-]soo-du-nuh [ma-dhū-dhū-soo-du-nuh]:||
kū-tus twa kush-mu-lum e dum:||
vi-shu-mā su-mū-pus-thi-tum
[vis-shu-mā su thi-tum]
u-nar-yu-jūsh-tum u-svar-gyum:||xa
u-ker-ti-ku-num. Ar-ju-na [Ar-ju-na, Ar-ju-na]:||x4
sū-khu-dūk-khā…
[-khu-dūk-khā. -khu-]
[sū-khu-dūk-khā] su-mā krit-va
[khā su-mā krit-va] la-, la-,
la-bha-la-bhau jī-a-jī-yau [-bhu jī-a-jī-yau]
tu-tō yū-dha-yu yū-jyus-vu [yū-jyus-vu]
nāvum pa-pum u-vap-syu-se:||
[syu-se vap-syu-se
vap-syu-se vap-syu-se].
