7 companies Wipro, Bain, Airtel, TCS, BCG, Tata Steel and AT&T.

Names: Suman, Shyam, Laxman, Sita, Rohit, Ram and Mohit.

Profession: President, Chartered Accountant, Salesman, Chairman, Manager, Vice President and Marketing Head.

i) Shyam works exactly below the Marketing Head, exactly above Tata Steel and fifth floor from the top of the building but is not the Manager.

ii) The Chartered Accountant works at the lowest floor.

iii) Suman works at Wipro and has 6 floors above her.

Therfore, she works at first floor.

iv) Mohit, the Salesman is 3 floors above Ram and 2 floors below BCG.

If Ram is at first floor then Mohit must be at floor 4 which is not possible but it is possible if Ram is at second floor.

v) Laxman works above the Manager and he must be at floor 7 as Shyam is not a Manager.

vi) Rohit is just above AT&T and 3 floors above Bain. Therefore Rohit is at floor 6.

vii) TCS is just below the Chairman.

viii) Ram is not the President.