Professor GD Agrawal had issued a press release from AIIMS Rishikesh today at 6.45am with his signature. https://t.co/30LBpSRJq9 — TOI Cities (@TOICitiesNews) 1539255032000HARIDWAR: IITian-turned-seer Swami Gyan Swaroop Sanand ( Professor GD Agarwal ) died on Thursday in AIIMS-Rishikesh. He was on a fast-unto-death against authorities over Ganga river cleaning.According to Swami Dayanand who was assisting the professor, Agrawal suffered heart attack. Sources say he died at 1pm on Thursday.The 87-year-old Ganga activist had been on a fast (taking on only water and honey) since June 22 demanding a ban on mining and hydropower projects in Ganga..