Respected teacher I am finding myself in a great trouble because in english the grammar study is of our last year portion, now we have differnt and very hard grammar.Even the lessona are not of my current portion .We study Gulmohar in our school.

The main grammatical rules of English never change. It is requested that you thoroughly study the chapters given within the CBSE curriculum so that you can cope up with your studies though the book is different. If there's a discomfort you feel regarding a topic, feel free to post a query regarding the same.