Which of the following statements are correct regarding Painted Grey Ware (PGW)?

A. PGW was first identified at Ahichchhatra ( in Bareilly district) in the 1940s.

B. It also been found at sites of Thapli and Purola in the coastal region of Orissa.

C. Makkhan Lal's study of Kanpur district (Uttar Pradesh) in 1980's brought to light the PGW sites and their settlement patterns.

D. Nagda represents a fairly evolved proto-urban or semi-urban stage of the PGW.

E. Alamgirpur, Kampil, Noh, Bhagwanpur and Hastinapur have the evidence of the PGW Material culture.

Choose the correct answer from the options given below: