Please translate the given English sentence to Hindi
हालांकि बर्धमान विस्फोट मामले में जांच के दौरान पता चला है कि अवैध बांग्लादेशी प्रवासियों, धार्मिक अतिवादियों द्वारा नियंत्रित तीन मदरसों में युवाओं को भ्रमित किया जा रहा था।
However, during investigations into the Burdwan blast case, it has been disclosed that in three Madarsas controlled by illegal Bangladeshi migrants, religious extremism and indoctrination was being preached.