It is the “odd” [i.e., odd-numbered, Witr] by which Allah swore in the aayah (interpretation of the meaning):
खुदा गवाह, सद्मा जुदाईजस्ता निकै चर्चित तथा व्यावसायिकरुपमा सफल चलचित्रमा अभिनय गरेकी छिन् ।