If you are looking to relive the nostalgia of the Venkatesh and Simran classic, setting a tone from Kalisundam Raa (2000) is a great choice. The film is famous not just for its family sentiment, but for its incredible soundtrack by S.A. Rajkumar.
For the dialogue ringtone, search "Kalisundam Raa Nee Chitikelu Dialogue" and trim just the punchline. kalisundam raa ringtone download