Step 1: About Sautrāntika.
Sautrāntika ek Bauddha school thā jo keval Sūtra ko pramāṇ māntā thā aur Abhidharma granth ko secondary sthān detā thā.
Step 2: Teacher Kumāralāta.
Kumāralāta ko is paramparā kā pramukh ācārya mānā jātā hai. Unhoṁne Sūtra ke ādhār par vyākhyāen kī aur dharma-vimarś meṁ yogdān diyā.
Step 3: Options analysis.
- (1) Candrakīrti: Mādhymika school ke ācārya.
- (2) Kumāralāta: Bilkul sahi, Sautrāntika ke pramukh teacher.
- (3) Bhadantaghoṣa: Theravāda commentator, sambandhit nahīṁ.
- (4) Buddhadeva: Is school se sambandhit nahīṁ.
Step 4: Conclusion.
Is prashn kā sahi uttar hai Kumāralāta.