Canto 2 -
Ayodhyā-kāṇḍa
Chapter 20: Kausalyā’s Lamentation
Text 2.20.48

उपवासैश्च योगैश्च बहुभिश्च परिश्रमैः।
दुःखसंवर्धितो मोघं त्वं हि दुर्गतया मया॥

upavāsaiś ca yogaiś ca bahubhiś ca pariśramaiḥ
duḥkha-saṁvardhito moghaṁ tvaṁ hi durgatayā mayā

upavāsaiḥ ca = fasts; yogaiḥ = worships; ca = and; bahubhiḥ ca = by my many; pariśramaiḥ = vows; duḥkha-saṁvardhitaḥ = have grown up in distress; mogham = uselessly; tvam hi = You; durgatayā = due to my misfortune; mayā = I.

Due to my misfortune, I have uselessly grown You up in distress by my many fasts, worships and vows.