Hello there!!
RTU Kota,, JECRC jaipur, MBM jodhpur are affiliated to Rajasthan Technical University(RTU) kota, so the admission is done by the REAP counseliing form. REAP is the common counselling form for more than 80+ affiliated colleges across Rajasthan. The counselling  is based on the score of JEE Mains. So without JEE mains you can't appear for counselling. As you have stated that you have scored 117595 in JEE, so this is approximately equal to  more than -50 marks. In colleges like RTU kota getting civil is impossible but you can opt for other colleges getting civil branch will depend on the level of competition and some luck.You can opt for civil as first choice and other branches as other choices. Form filling have been started from 30 May 2019 and last date of form filling is 29 June 2019.

If you have any doubt related to admisiion please let me know in the comments below.