For detailed academic data, refer to these recent publications:
Based on the acronym (which most likely stands for Urine Particle Detection or Urinalysis in a medical context, or is a typo for Update in a news context), there are two possible interpretations of your request.
There is a specific moment at Bhigwan that every photographer chases—the "Golden Hour" just after sunrise. The mist rises from the Ujani backwaters, softening the light. You set your shutter speed high to freeze the motion of a flock of Demoiselle Cranes taking off, or you slow it down to smooth the water into silk behind a static Grey Heron.
: The peak season is winter , specifically from November to March , when migratory birds arrive in large numbers.