<?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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contextRef="OneD" decimals="INF" unitRef="INRPerShare">1</in-capmkt:FaceValueOfEquityShareCapital><in-capmkt:BasicEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:BasicEarningsLossPerShareFromContinuingOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations><in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DebtEquityRatio contextRef="OneD" decimals="INF" unitRef="pure">0</in-capmkt:DebtEquityRatio><in-capmkt:DebtServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0</in-capmkt:DebtServiceCoverageRatio><in-capmkt:InterestServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0</in-capmkt:InterestServiceCoverageRatio><in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1) The above unaudited consolidated financial results for the quarter ended June 30, 2026were reviewed by the Audit Committee and approved by the Board of Directors at their respective meetings held on August 07, 2026. These unaudited consolidated financial results have been prepared in accordance with the Indian Accounting Standards ("Ind-AS") as specified under Section 133 of the Companies Act, 2013 read with rule 3 of the Companies (Indian Accounting Standards) Rules, 2015 (as amended from time to time) and the provisions of the Companies Act, 2013 and in terms of Regulation 33 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations 2015. &lt;br /&gt; 
 &lt;br /&gt; 
2) These above unaudited consolidated results for the quarter ended June 30, 2026 are reviewed by the Statutory Auditors of the Company, under regulation 33 of Securities &amp; exchange Board of India (Listing obligation and disclosure requirements) regulation, 2015, as amended. An unmodified review report was issued by them thereon. &lt;br /&gt; 
 &lt;br /&gt; 
3) The above results comprise the results of Sadhana Nitro Chem Limited (Parent Company) and Anuchem B.V.B.A, Belgium wholly owned subsidiary: &lt;br /&gt; 
 &lt;br /&gt; 
4) The Group is primarily engaged in one business segment i.e. manufacturing of chemical intermediates, heavy organic chemicals and performance chemicals which is it’s primary segment. The Group is also engaged in the manufacture of wireless network equipment &amp; services. However, since the revenue, profits &amp; total assets of this segment is less than 10% of the combined revenue, profits &amp; assets of all the reporting segments, disclosures as required by Ind-As 108, ‘Operating Segments’ are not given. &lt;br /&gt; 
 &lt;br /&gt; 
5) The figures for the quarter ended March 31, 2026 are the balancing figures between the audited figures in respect of the full financial year and unaudited published year to date figures up to third quarter of the relevant financial year which are subject to limited review. &lt;br /&gt; 
 &lt;br /&gt; 
6) Previous period figures have been regrouped /reclassified, wherever necessary to conform to current period classification. &lt;br /&gt; 
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7) The above is an extract of the detailed format of the result  for the Quarter Ended June 30, 2026 filed with Stock Exchange, under Regulation 33 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations,2015 (‘(Results’). The complete format of the results is available on www.bseindia.com,www.nseindia.com and on the company’s website at www.sncl.com.</in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Other Expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-5" unitRef="INR">74500000</in-capmkt:OtherExpenses><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">0</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">0</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-5" unitRef="INR">0</in-capmkt:OtherComprehensiveIncome></xbrli:xbrl>