Update README.md

README.md

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 license: mit
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+ppdt
+A Streamlit-based simulator for the PPDT (Picture Perception and Discussion Test) used in Indian Army SSB interviews. Simulates instructions, timed image display, black screen, and bell sounds to mimic the real test environment.
+
+🪖 PPDT Test Simulator - Indian Army SSB
+This is a Streamlit-based dashboard designed to simulate the real-time Picture Perception and Discussion Test (PPDT) conducted during the Indian Army SSB interview process.
+
+🎯 Features
+Instruction slides (displayed for 30 seconds each)
+Random PPDT image display (20 seconds)
+Black screen + preparation time (30 seconds)
+Audio bell for timing cue
+4-minute writing session timer
+Bell sound at the end
+Fully automated and realistic test simulation
+
 Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference