What is the concept of 'abrogation' in bill aschroft, gareth griffiths and helen tiffin' s seminal work 'the empire writes back' (1989)?

Read Lata Mani Contentious traditions , Chandra Talpade Mohanty feminism wihout borders, Spivak can the subaltern speak? three women's texts ... Nandy The Intimate enemy, Namvar Si...

you should also read AIJAJ AHMED, RANAJIT GUHA

if you need further details on them let me know

other are gayatri Chakraborty Spivak, ashish Nandy, Namvar Singh, U R Ananthamurthy, Lata Mani

Yes. first is GANDHI - Passive resistance and satyagraha

No Sir. Can you suggest me which theorists should to be studied?

also understand the term appropriation in this context

Abrogation is the rejection of a normative concept of ‘correct’ or ‘standard’ English used by certain classes or groups, and of the corresponding concepts of inferior ‘dialects’ or...