Wajahat has himself written the story for filmmaker Muzaffar Ali's movies 'Gaman' and 'Aagman'.
"Writing has changed in recent times. A lot of new and challenging subjects have come to the fore and it is a welcome step. Hindi writing is very strong because the new generation is contributing a lot," Wajahat told PTI.
The 67-year-old writer's much acclaimed Partition drama 'Jis Lahore Nai Dekhya..' is being adapted into film by director Rajkumar Santoshi.
"The link to connect Hindi literature and cinema, which should have been there, is yet to be established. Both should endeavour to work in close link and understand each other. It is only after that a proper communication can be established between them," he said.
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Wajahat, who is not a film-writer, said despite several good people in cinema, it is a different world.
"That (film industry) is a different world. There are many good people in that world with whom you can connect but it still remains different," said Wajahat.
Wajahat said that a writer's work is to remark the happenings in the society.
"A writer comments on the events transpiring in the society, brings out the good and bad that occur in society. It is like 'social interference' which a writer keeps doing every now and then," he said.
Author of several plays and books, Wajahat believes that there are other medium of 'social interference' but writing leaves more impact on people.
"Creating interest among readers should be the main objective in writing, it could be done seriously, with satire or with comedy. Readers should be focus and their interest is important."