Mukhopadhyay was one of the main organizers of the famous Nanda Ghunti Expedition, the first successful climb to the pick ever. The budget of the expedition was about INR 45000. They approached many industrialists including Krishna Kumar Birla, Alamohan Das for monetary help. Finally Ashok Sarkar, editor of the Anandabazar Patrika agreed to sponsor the expedition. A reporter Gour Kishore Ghosh and a photographer accompanied the climbers for regular reporting to Anandabazar. The expedition was carried out under leadership of Sukumar Ray, an employee of Calcutta Corporation. Other team members were Dilip Banerjee, Nemai Bose, Dhruba Majumder, Bishwadeb, Pemba Norbu, Nima Tashi and others. Sukumar Ray and Nima Tashi climbed Nandaghunti on 22 October 1960.