Tata group shares gain after Moody's upgrades ratings

Reuters Market Eye - Tata group shares gain after Moody's upgrades ratings across member companies.

Tata Power is up 1.2 percent, while Tata Steel gains 0.8 percent.

Tata Chemicals advances 1.3 percent.

Moody's cites "expectation of parental and systemic support in the case of need."

(Reporting by Abhishek Vishnoi)