app.py

import gradio as gr
name_list = ['spaces/Harveenchadha/Hindi_TTS', 'spaces/Harveenchadha/Hindi_TTS', 'spaces/Harveenchadha/Hindi_TTS'] 
interfaces = [gr.Interface.load(name) for name in name_list]
gr.mix.Parallel(*interfaces, title="Title", description="Description").launch()