The Calgary, Alberta-based company's net earnings rose to C$1.61 billion ($1.18 billion), or 81 Canadian cents per share, in the three months ended Sept. 30, from C$551 million, or 27 Canadian cents per share, a year earlier.

($1 = 1.3595 Canadian dollars)

(Reporting by Sourasis Bose in Bengaluru; Editing by Krishna Chandra Eluri)