During interrogation, Yasin confessed the Pakistan Army officer was in regular touch with him over phone and emails, gave him instructions and take updates on works done.
The officer also sent money to Yasin through hawala channels and encouraged him to recruit more Indian youth in Indian Mujahideen through radicalisation, official sources said.
Yasin told the interrogators that his is not the head of IM in India and only follows instructions from both his Pakistani handler as well his boss.
The actual identity of Yasin, who is branded as the face of modern-day terrorism, is Mohammed Ahmed Zarar Siddibaba.
Also Read
30-year-old Yasin said he never had any problem financially as his master in Pakistan often sent money to him and some of which he used to send to his family.
Sources said the laptop and mobile phone seized from Yasin's possession have been sent for forensic examination.
The two gadgets are expected to throw up vital clues in unravelling a number of terror modules.
The sleuths also found that he used to write letters and make phone calls to his relatives in Karnataka and other places.
Yssin is wanted in around 40 terror cases and carried a reward of Rs 35 lakh.