There is no magic waiting period that guarantees approval. The useful principle is to avoid another hard application until something material has improved: lower balances, corrected data, more income history, fewer recent obligations or a better-matched lender.
Track who created each enquiry
If you used a broker or marketplace, compare the enquiries with the lenders you knowingly authorised. Ask the intermediary how widely your application was distributed. Dispute only genuinely unauthorised access.
Reduce uncertainty before the next application
Call or review published eligibility criteria where available. Ask whether your income type, city, employment or property category fits. A five-minute eligibility check can prevent another unnecessary hard enquiry.
Use a smaller request when affordability is the issue
If the lender rejected the amount rather than the borrower entirely, a smaller loan can improve debt-service metrics. Do not simply extend tenure until EMI looks small; compare total cost and ensure the amount still solves the original need.
Good credit shopping is targeted. The fewer applications you need because the first file is well prepared, the less enquiry noise you create automatically.