'Dekh Lena', the new song from the Neha Sharma, Aditya Seal and Aashim Gulati starrer 'Tum Bin 2' has been released. It has been sung by Arijit Singh and Tulsi Kumar, composed by Ankit Tiwari with lyrics by Manoj Muntashir. The film, a sequel to the 2001 film 'Tum Bin', is scheduled to release on November 18.