New Delhi, Feb. 23 -- Delhi Police sources on Monday revealed that the handler of the recently busted Bangladeshi terror module maintained regular contact with operatives through the encrypted messaging platform Signal.

According to sources, the Anti-India posters that surfaced in Delhi and Kolkata were printed in Kolkata after the poster PDF was sent from Bangladesh by the handler, identified as Shabbir.

Investigators said the Lashkar-linked module had set up a base in Kolkata on Shabbir's instructions and had rented a house on the outskirts of the city for around Rs 8,000 per month.

Sources further disclosed that Shabbir transferred over Rs 80,000 to the module for the procurement of weapons, with additional funds expected. The accus...