Guide me

today I Applied for Central ews reservation...mostly i Think I get...how to prepare for jee I start with modern Physics...now who in kerala studying GEC PALAKKAD... I think through ews reservation i Want only small Percentile to join nit like 70-80 in nit Calicut...WHAT I WANT TO DO.. Continue in GEC or Prepare for jee...Is it worth anyone Guide me I think its worth iam Eighteen yr old