Literature suggests differences in language settings might cause learnability issues in ESL learners despite the availability of universal grammar (UG). This study aims to examine the above claim and understand if ESL learners’ (L1-Telugu) knowledge of resumptive pronouns in complex wh-interrogatives shows the full access model of UG in SLA is true. The findings provided evidence of their knowledge of RP at the level of full-transfer along with their bias for its position of occurrence.