Mumbai: India’s $20-billion pharmaceutical industry is set for a shakeup as giants Reliance Retail and Amazon chart plans to enter the e-pharmacy space, a move that experts said would take the country closer to a transformed drug market. Reliance Retail said on Tuesday it will invest Rs 620 crore in Chennai-based e-pharmacy chain Netmeds, while Amazon started its online drug business earlier this week in Bengaluru, selling over-the-counter and