A laser documentary on Swami Viveka-nanda will be shown at Purbashree auditorium of EZCC on Wednesday evening. The one-hour show is created by Manick Sorcar, twice the winner of the prestigious International Laser Display Association Artistic Award. People wishing to attend will have to collect passes from Ramakrishna Math, Yogodyan, in Kankurgachhi, says secretary Swami Nityamuktananda.