One Tata group stock, one Aditya Birla firm: Why Motilal Oswal sees 15% to 21% downside

Motilal Oswal reiterated 'Sell' ratings on Tata Technologies and India Cements.

Brokerage sees downside of 21% for Tata Technologies and 15% for India Cements.

Motilal Oswal remains cautious on these stocks despite improving business performance.