Delhi Police have seized over 25,000 pirated NCERT books that were being printed at a press in east Delhi’s Gazipur and arrested a man in connection with the case, officials said on Wednesday.

The arrest was made on Tuesday after police received a tip off, following which they raided the spot along with an NCERT team, they added. During the raid, pirated NCERT books, reel papers with NCERT water mark and those without water mark were found, said the police.