What is the process and procedure of inter-caste court marriage?

Hum love marrige krna cahte hai dono ki age complete hai 31,and28 . Kya mandir m Hindu way m shadi kr ke marrige register krwa skte h? Proof main kya chaiye hoga? Or court marrige ki jroorat to nhi pdegi? Jaipur main krte hai to ghr par kuch information to nhi pahuchegi? Ya dehli main dono jgh kitne din main ho jayga kam? Register krte h mandir m shadi kr ke to proof main kya cahiye? Legal hogi n shadi koi ghrwale police dikkt to nhi krenge