Bhagavad Gita 17.21
यत्तु प्रत्युपकारार्थं फलमुद्दिश्य वा पुनः। दीयते च परिक्लिष्टं तद्दानं राजसं स्मृतम्।।17.21।।
yattu pratyupakārārthaṃ phalamuddiśya vā punaḥ| dīyate ca parikliṣṭaṃ taddānaṃ rājasaṃ smṛtam||17.21||
yattu pratyupakarartham phalamuddishya va punah diyate ca pariklishtam taddanam rajasam smritam17.21
Meaning
That gift which is given reluctantly, with expectation of something in return, or looking for some reward — that is considered rajasic charity.
और जो दान क्लेशपूर्वक तथा प्रत्युपकार के उद्देश्य से अथवा फल की कामना रखकर दिया जाता है, वह दान राजस माना गया है।
This is verse 21 of 28 in Chapter 17 (Shraddhatraya Vibhaga Yoga) of the Bhagavad Gita.