A, a resident of Delhi, B, a resident of Shimla and ‘C’ a resident of Calcutta, meet at Kumbha Mela in Allahabad. There A and B borrowed Rs. 10,000/- from C and jointly executed pronote and handed in over to C. All of them when back to their respective places, but money was not returned. C wants to file a suit for recovery of his money. Advise him about the place of suing.     (5 marks)