The 'Basic Structure' Paradox

Maine socha, agar Basic Structure Doctrine ko Article 13(1) ka violation dikhana hai, toh phir Constitution itself ko modify kaise kar sakte hain? Kya isse implication hai ki ham Basic Structure Doctrine ko hi violate kar sakte hain? Maine kuchh sources dekhi hain jo isko Article 13(1) ka aapna adhar maante hain, lekin phir kuchh doctratein bhi hain jo yeh kehate hain ki iska adhar Article 394 hai. Toh kya sachmuch kya hain? Iska matlab hai ki Constitution ko modify karne ka koi naya niyam hota hai ya phir yeh sab mere andar hi hai?