I AM JUST TRANSLATING WHAT CAPT DALIP SINGH WRITE ABOUT KALIRAMAN GOTRA IN HIS BOOK VEER JATAON KA ITIHAS.
KALA-KALIDHAMAN-KALKHANDE-KALIRAMAN are the same gotra. this gotra is famous branch of nagvansh.near mathura,on the river yamuna ,the king of this gotra was the ruler.his fort was known as fort of Kalidheh.this fort is present as ruins as on date also.the famous episode of maha bharata regarding shri krishana killing of a black python was nothing but krishana killing some bad ppl from this gotra.with that krishana brought end oftheir rule in Brij.
in punjab there use to be two small states of this gotra i. e. sinpura and bhagowal.it was because of different pronounciation at various places this gotra is known as kalirawan,kalirawatand kalu,otherwise it is same gotra.
following are the villages of kaliraman gotra....
near goverdhan 20 villages includinding hakimpur,4 villages in bulandshahar, 2 villages in meerut, 6 villages in mujfarnagar,lodipur in muradabad,jasrana,daharmuhana,mahavad,aheri,achej etc 10 villages in rohtak.sisai in hisar.there are 50 villages of kalu jats in gurdaspur[punjab].