Tanla Platforms rose 4% after announcing a ₹175 crore buyback at ₹875 per share. Analyst Prabhat Mittal sees 20% upside, with targets of ₹780 and ₹820. The stock is showing bullish technicals, trading above all key moving averages. MACD also signals a buy. Mittal advises buying between ₹650 to ₹682 with a stop loss at ₹629.