Valmiki Ramayana Ayodhya Kanda Sarga 20 Shloka 48
Original Shlokaउपवासैश्च योगैश्च बहुभिश्च परिश्रमैः। दुःखं संवर्धितो मोघं त्वं हि दुर्गतया मया।।2.20.48।।
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त्वम् you, दुर्गतया मया by me so unfortunate, उपवासैश्च through fasts, योगैश्च through meditation, बहुभिः many, परिश्रमैश्च with efforts, दुःखम् with difficulty, मोघम् in vain, संवर्धितः have been brought up.
Through meditation, through fasts and with a great deal of efforts you have been brought up by this luckless (mother). But alas this is all in vain.