Ruchi Soya locks at 10 per cent upper circuit; heres why! Ruchi Soya locks at 10 per cent upper circuit; heres why! Ruchi Soya to acquire Patanjali Ayurved's food business. Mandar Wagh / Wednesday, May 18, 2022 / Article rating: 5.0 The stock has gained 30.13 per cent & 27.37 per cent over the last five days and one month, respectively.