N Chandrasekaran, the newly appointed chairman of the Tata Group, completes his first year on February 21 and as many as 10 stocks rose up to 180 percent in the same period, data showed.

Before taking charge as the chairman of Tata Sons, the holding company, N Chandra was the managing director and chief executive of TCS, which commands the second highest company by market valuation at Rs 5.6 trillion.

Chandra also chairs the boards of several group operating companies, including Tata Steel, Tata Motors, Tata Power, Indian Hotels and Tata Consultancy Services (TCS) — of which he was a chief executive from 2009-17.

According to the current group structure, Tata Sons has control over its subsidiaries at varied levels. It controls about 74% in TCS and just about 21% in Titan, said a report.

Tata Group stocks which rose over 100 percent include names like Tinplate Company which rose 186 percent, followed by Nelco which was up 102 percent in the last one year.

Companies which rose between 40-100% include names like Tata Steel, Voltas, Tata Sponge, Tata Metaliks, Tata Global Beverages, Oriental Hotels, and Titan Company.

However, 4 out of 26 stocks gave negative returns which include stocks like Tata Motors which was the top most loser in the Tata Group stocks down 19 percent, followed by Tata Communications which was down 16 percent, Rallis India dropped 6 percent, and Tata Teleservices and Benares Hotels plunged by 3 percent each.

The combined market capitalisation of 26 listed Tata companies is up 16.76 percent since his appointment on February 21, 2017, to Rs 9,70,892. Barring TCS and Tata Motors, the group market capitalisation is up 45.83% percent.

Tata Group companies which added more than Rs1000 crore in market capitalization include names like Tata Investment Corporation, Tata Elxsi, Tinplate, Voltas, Tata Global Beverages, Tata Steel, Titan Company, and TCS which added nearly 70,000 crores in market cap in the last 1 year.

Top 11 firms added more than Rs1.64 lakh crore in market capitalization in the last one year while Tata Motors shed over Rs25000 crore in market cap, followed by Tata Communications which saw an erosion of Rs3344 crore.

Tata Group stocks with high PE change include names like Automobile Corporation, Rallis India, Tata Chemicals, Tata Coffee, Tata Elxsi, Tata Power, Titan Company, Voltas, The Indian Hotels, Tata Metaliks, and Tinplate Company among others.