The children, who are students of different schools of the area, filed the diary in English with Nimcha police outpost here yesterday morning and even put their signatures in English and Hindi in the complaint.
In their diary, the children said 'Babul Supriyo Uncle' had promised them before the election that he would be with the people and sing with them but he has gone 'missing'.
Burdwan district industrial area BJP president Nirmal Karmakar blamed TMC of being behind the filing of this diary.
"TMC earlier used to criticise CPI-M for using children for political purposes and now it is doing the same ... This is despicable and dirty politics."
Also Read
TMC, he said, had filed cases against Babul Supriyo before the polls, even one under the Arms Act but all were proved false.
When contacted, the MP told PTI over phone from Delhi that this was being 'masterminded' by TMC.
TMC Asansol MLA Tapas Bandopadhyay said he did not understand why his party was blamed for the incident.He, instead said, "BJP is doing this with the aim to make itself popular.