Best edible oil stocks in India 2026 with Adani Wilmar the Fortune brand leader at Rs 40,000 crore market cap, Ruchi Soya the Patanjali-backed Nutrela and soya oil brand and Marico the Parachute coconut oil leader as India edible oil market targets Rs 3 lakh crore by 2027 with palm oil price normalisation improving refining margins.