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Yes, most ringtone makers allow 60 seconds. However, Android and iOS default to ~40 seconds for incoming calls.
You can find and download this ringtone from various platforms: Sri Srinivasam Sritha Parijatham Ringtone Download
While many renditions exist, popular vocalists associated with this stotram include Veeramani Dasan S.P. Balasubrahmanyam Yes, most ringtone makers allow 60 seconds