What is incorrect about the Calcutta Group's view on the Bengal School of Art?

They appreciated the focus on the past in the Bengal School.

Answer: They appreciated the focus on the past in the Bengal School.
The Calcutta Group did not appreciate the focus on the past in the Bengal School of Art; in fact, they disliked it.

The humanitarian crisis caused by the World War II compelled many artists to reflect on their role in society. In 1943, under the leadership of Prodosh Das Gupta, a sculptor, few young artists formed the Calcutta Group, which included Nirode Mazumdar, Paritosh Sen, Gopal Ghose and Rathin Moitra. The group believed in an art that was universal in character and free from older values. They did not like the Bengal School of Art as it was too sentimental and deeply interested in the past. They wanted their paintings and sculptures to speak of their own times. They started to simplify their visual expression by excluding details. With such an attempt, they could emphasise on elements, materials, surfaces, forms, colours, shades textures, etc. A comparison may be They started to simplify their visual expression by excluding details. With such an attempt, they could emphasise on elements, materials, surfaces, forms, colours, shades textures, etc.