Valmiki Ramayana Ayodhya Kanda Sarga 75 Shloka 23
Original Shlokaकारयित्वा महत्कर्म भर्ता भृत्यमनर्थकम्। अधर्मो योऽस्य सोऽस्यास्तु यस्याऽर्योऽनुमतेगतः।।2.75.23।।
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आर्यः noble one, यस्य whose, अनुमते counsel, गतः was exiled, अस्य that man, यः भर्ता the master, भृत्यम् his servant, अनर्थकम् without remuneration, महत् difficult, कर्म work, कारयित्वा having got done, अस्य to that man, यः अधर्मः acquire the unrighteousness, सः that must, अस्तु be it in that way.
May the one who counselled the exile of my esteemed brother acquire the demerit of unrighteousness in the same way as a master who gets a difficult work done by a servant without remuneration.