Experts also have brought to light some facts related to the etymology of the word Karanja. In fact the city Karnja got its name from the Saint Karanj. Legends related to Krangja city too are popular amongst the localites. Twice The renowned 'Maratha sardar' , namely Prataprao Gujar brought about plundering into the city . As per the commandment of famous Maratha king Chhatrapati Shivaji Maharaj, invasions had been done twice.
The strategic location of Karanja is also quite significant. Lying approximately 0.48'.33_N_770.48'.33_E_ 200.48'.33° N 770.48'.33° E, Karanja rises to a height of 422 meters or 1387 feet. Adan River runs through Karanja city and its adjacent areas.
No discussion on any town or city becomes complete unless and until one gets to identify its demographical scenario. For that reason, a handful of demographers have carried on surveys and research works and thus inferred some relevant information about Karanja city's demography. The census report of India that has been issued forth in the year 2001 is quite significant. Data viz. population status, literacy rate can be deciphered by any one who goes through the report once. According to this report, the total population of Karanja has been enumerated to be 60,158. Just like any other places in Karanja also, number of males are more than females. This is evident from their individual population rates. In other words, male populace constitutes of 52 percent while the rate of the female populace comprises of 48 percent only.
Literacy rate, a yardstick for gauging the growth and development of any place, also throws some light about Karanja's situation. As has been identified from this Census report, Karanja has the average literacy rate of 72 percent. Thus it is even higher than that of the entire nation, which has been counted to be 59.5 percent. This naturally led one to conclude that Kraikudi is, more or less, a developed city. Out of it, rate of male literacy constitutes of 78 percent. Female literacy rate is less thus constituting 67 percent. Educational propensity of the people who are residing in Karanja is evident from the growth of schools and colleges over the years. Jinvarasa Chaware Mahavidyalaya K.N. College, Vidyabharti College, 5.M.B.Aashram school, C.Dahake College are noteworthy. Commercial success of the Karanja is due to the growth of grain market here.
Every year the tourists throng the Kranja city. Rishi Talav, Lendi Talav, Sarang Talav, Three Jain Temples, Nrusimha (Narsimha) Saraswati Gurumandir Temple etc are some of the tourist locales that have developed in Karanja. A huge lake, namely "Rishi Talao" also draws the admiration of Karanja city.