The Delhi High Court on Monday issued notice to the Central government on a public interest litigation (PIL) petition filed by BJP leader and lawyer Ashwini Upadhyay seeking a direction to implement common syllabus in mother tongue for Central Board of Secondary Education (CBSE), Council For The Indian School Certificate Examinations (CISCE) well as all the other education boards [Ashwini Upadhyay v Union of India and Ors].