What is the procedure of name change in 10th mark sheet

Hello sir me Indian defence service me job krta hun lekin Maine 8th class state board se 2 bar ki h pahle bar 9th tak padha Uske bad name and d.o.b change krke dubara 7th se start Kiya or 12th padha same name or d.o.b se or ise name or d.o.b par job bhi Kar Raha hun ABB ek jankar ne RTI k through mere dono record niklwa kr fir katwa Rakhi h meri sir ABB me isme Kya kuch Kar Sakta hun or Meri job ki Kya khtra ho skta h isse police wale mere uper dabave Dal rahe h k hame aapna address do jhan aap job krte ho or Kya me aapne officers ko is bare me btaun ya nhi me bhut muskil me hun