<?xml version="1.0" encoding="UTF-8" standalone="no"?><!--IFIndAs V2.1 (26-06-2026)--><xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2026-01-31/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/IntegratedFinance_IndAS/2026-01-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="http://www.sebi.gov.in/xbrl/IntegratedFinance_IndAS/2026-01-31/in-capmkt-roles" xmlns:in-capmkt-types="http://www.sebi.gov.in/xbrl/2026-01-31/in-capmkt-types" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xlink="http://www.w3.org/1999/xlink"><link:schemaRef 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unitRef="INRPerShare">0</in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">7.71</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">7.7</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1. The above financial results of Ratnamani Metals &amp; Tubes Limited (the Company) were reviewed and recommended by the Audit Committee and approved by the Board of Directors at their meetings held on August 06, 2026 and August 07, 2026, respectively. &lt;br /&gt; 
 &lt;br /&gt; 
2. The figures for the last quarter ended March, 2026 are the balancing figures between audited figures in respect of the full financial year ending March 31, 2026 and the unaudited published year-to-date figures upto December 31, 2025 respectively, being the date of the end of the third quarter of the respective financial year which was subjected to limited review. &lt;br /&gt; 
 &lt;br /&gt; 
3. The Government of India, vide notification dated November 21, 2025, has notified four Labour Codes, thereby consolidating 29 existing labour laws into a unified framework. The Labour Codes, inter alia, introduce changes including a uniform definition of wages and modifications to employee benefits such as leave and gratuity. &lt;br /&gt; 
  &lt;br /&gt; 
During the period ended December 31, 2025, the Company had recognised an estimated incremental liability of Rs.1,820.42 Lakhs towards gratuity and compensated absences as an exceptional item based on best estimates and available information relating to changes in the wage definition under the New Labour Codes. Subsequently, based on refinement of assumptions in accordance with the New Labour Codes and applicable rules and actuarial valuation, the liability has been revised to Rs.1,039.57 Lakhs for the year ended March 31, 2026, and the excess provision of Rs.780.85 Lakhs has been reversed in the financial results for the quarter ended March 31, 2026. &lt;br /&gt; 
 &lt;br /&gt; 
4. The Company has published the standalone financial results along with the consolidated financial results. In accordance with Ind AS 108, Operating Segments, the Company has disclosed the segment information in the consolidated financial results and therefore, no separate disclosure on segment information is given in the standalone financial results for the for the quarter ending June 30, 2026.</in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Other Expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-3" unitRef="INR">1445851000</in-capmkt:OtherExpenses><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-3" unitRef="INR">-344000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">0</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-3" unitRef="INR">344000</in-capmkt:OtherComprehensiveIncome></xbrli:xbrl>