12th Standard - Group Codes 2026

Subject, Practical (PRAC) & Internal (INTER) Subject Codes

Common Subjects (For All Students)

STD	SUBJECT (SUB-PRAC-INTER)
+1	LANGUAGE 101-NIL-201
+1	ENGLISH 103-NIL-203
+2	LANGUAGE 501-NIL-601
+2	ENGLISH 503-NIL-603

General Streams

Code	STD	SUBJECT 1 & 2	SUBJECT 3 & 4
2501	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	STATISTICS 117-118-217 MATHEMATICS 141-NIL-241
2502	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	COMPUTER SCIENCE 519-520-619 MATHEMATICS 541-NIL-641
2503	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIOLOGY 109-110-209 MATHEMATICS 141-NIL-241
2504	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIO-CHEMISTRY 109-110-209 MATHEMATICS 141-NIL-241
2505	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	COMMUNICATIVE ENGLISH 139-140-239 MATHEMATICS 141-NIL-241
2506	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	MATHEMATICS 141-NIL-241 HOME SCIENCE 143-144-243
2601	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIOLOGY 109-110-209 COMPUTER SCIENCE 119-120-219
2601	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	BIOLOGY 509-510-609 COMPUTER SCIENCE 519-520-619
2602	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIOLOGY 109-110-209 MICRO-BIOLOGY 131-132-231
2602	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	BIOLOGY 509-510-609 MICRO-BIOLOGY 531-532-631
2603	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIOLOGY 109-110-209 BIO-CHEMISTRY 109-110-209
2603	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	BIOLOGY 509-510-609 BIO-CHEMISTRY 533-534-633
2604	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIOLOGY 109-110-209 NURSING 135-136-235
2604	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	BIOLOGY 509-510-609 NURSING 535-536-635
2605	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIOLOGY 109-110-209 NUTRITION & DIETETICS 137-138-237
2605	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	BIOLOGY 509-510-609 NUTRITION & DIETETICS 537-538-637
2606	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIOLOGY 109-110-209 COMMUNICATIVE ENGLISH 139-140-239
2606	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	BIOLOGY 509-510-609 COMMUNICATIVE ENGLISH 539-540-639
2607	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BIOLOGY 109-110-209 HOME SCIENCE 143-144-243
2607	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	BIOLOGY 509-510-609 HOME SCIENCE 543-544-643
2608	+1	PHYSICS 105-106-205 CHEMISTRY 107-108-207	BOTANY 111-112-211 ZOOLOGY 113-114-213
2608	+2	PHYSICS 505-506-605 CHEMISTRY 507-508-607	BOTANY 511-512-611 ZOOLOGY 513-514-613
2701	+1	STATISTICS 117-118-217 ECONOMICS 149-NIL-249	COMMERCE 155-NIL-255 ACCOUNTANCY 157-NIL-257
2701	+2	STATISTICS 517-518-617 ECONOMICS 549-NIL-649	COMMERCE 555-NIL-655 ACCOUNTANCY 557-NIL-657
2702	+1	COMMUNICATIVE ENGLISH 139-140-239 COMMERCE 155-NIL-255	ECONOMICS 149-NIL-249 COMPUTER APPLICATIONS 179-180-279
2702	+2	COMMUNICATIVE ENGLISH 539-540-639 COMMERCE 555-NIL-655	ECONOMICS 549-NIL-649 COMPUTER APPLICATIONS 579-580-679
2703	+1	ECONOMICS 149-NIL-249 ACCOUNTANCY 157-NIL-257	COMMERCE 155-NIL-255 ACCOUNTANCY 157-NIL-257
2703	+2	ECONOMICS 549-NIL-649 ACCOUNTANCY 557-NIL-657	COMMERCE 555-NIL-655 ACCOUNTANCY 557-NIL-657
2704	+1	HISTORY 145-NIL-245 ECONOMICS 149-NIL-249	COMMERCE 155-NIL-255 ACCOUNTANCY 157-NIL-257
2704	+2	HISTORY 545-NIL-645 ECONOMICS 549-NIL-649	COMMERCE 555-NIL-655 ACCOUNTANCY 557-NIL-657
2705	+1	ECONOMICS 149-NIL-249 POLITICAL SCIENCE 151-NIL-251	COMMERCE 155-NIL-255 ACCOUNTANCY 157-NIL-257
2705	+2	ECONOMICS 549-NIL-649 POLITICAL SCIENCE 551-NIL-651	COMMERCE 555-NIL-655 ACCOUNTANCY 557-NIL-657
2706	+1	ECONOMICS 149-NIL-249 COMMERCE 155-NIL-255	ACCOUNTANCY 157-NIL-257 ETHICS AND INDIAN CULTURE 165-NIL-265
2706	+2	ECONOMICS 549-NIL-649 COMMERCE 555-NIL-655	ACCOUNTANCY 557-NIL-657 ETHICS AND INDIAN CULTURE 565-NIL-665
2707	+1	ECONOMICS 149-NIL-249 COMMERCE 155-NIL-255	ACCOUNTANCY 157-NIL-257 ADVANCED TAMIL 169-NIL-269
2707	+2	ECONOMICS 549-NIL-649 COMMERCE 555-NIL-655	ACCOUNTANCY 557-NIL-657 ADVANCED TAMIL 569-NIL-669
2708	+1	ECONOMICS 149-NIL-249 COMMERCE 155-NIL-255	ACCOUNTANCY 157-NIL-257 BUSINESS MATHEMATICS AND STATISTICS 177-NIL-277
2708	+2	ECONOMICS 549-NIL-649 COMMERCE 555-NIL-655	ACCOUNTANCY 557-NIL-657 BUSINESS MATHEMATICS AND STATISTICS 577-NIL-677
2801	+1	STATISTICS 117-118-217 GEOGRAPHY 121-122-221	HISTORY 145-NIL-245 ECONOMICS 149-NIL-249
2801	+2	STATISTICS 517-518-617 GEOGRAPHY 521-522-621	HISTORY 545-NIL-645 ECONOMICS 549-NIL-649
2802	+1	GEOGRAPHY 121-122-221 HISTORY 145-NIL-245	ECONOMICS 149-NIL-249 COMPUTER APPLICATIONS 179-180-279
2802	+2	GEOGRAPHY 521-522-621 HISTORY 545-NIL-645	ECONOMICS 549-NIL-649 COMPUTER APPLICATIONS 579-580-679
2803	+1	GEOGRAPHY 121-122-221 COMMUNICATIVE ENGLISH 139-140-239	HISTORY 145-NIL-245 ECONOMICS 149-NIL-249
2803	+2	GEOGRAPHY 521-522-621 COMMUNICATIVE ENGLISH 539-540-639	HISTORY 545-NIL-645 ECONOMICS 549-NIL-649
2804	+1	GEOGRAPHY 121-122-221 HISTORY 145-NIL-245	ECONOMICS 149-NIL-249 POLITICAL SCIENCE 151-NIL-251
2804	+2	GEOGRAPHY 521-522-621 HISTORY 545-NIL-645	ECONOMICS 549-NIL-649 POLITICAL SCIENCE 551-NIL-651
2805	+1	GEOGRAPHY 121-122-221 HISTORY 145-NIL-245	ECONOMICS 149-NIL-249 ETHICS AND INDIAN CULTURE 165-NIL-265
2805	+2	GEOGRAPHY 521-522-621 HISTORY 545-NIL-645	ECONOMICS 549-NIL-649 ETHICS AND INDIAN CULTURE 565-NIL-665
2806	+1	GEOGRAPHY 121-122-221 HISTORY 145-NIL-245	ECONOMICS 149-NIL-249 ADVANCED TAMIL 169-NIL-269
2806	+2	GEOGRAPHY 521-522-621 HISTORY 545-NIL-645	ECONOMICS 549-NIL-649 ADVANCED TAMIL 569-NIL-669

Vocational Streams

Code	STD	SUBJECT 1 & 2	SUBJECT 3 & 4
2971	+1	MATHEMATICS 141-NIL-241 BASIC MECHANICAL ENGINEERING THEORY 301-NIL-401	BASIC MECHANICAL ENGINEERING - PRACTICAL 305-305-405 EMPLOYABILITY SKILLS 375-376-475
2971	+2	MATHEMATICS 541-NIL-641 BASIC MECHANICAL ENGINEERING THEORY 701-NIL-801	BASIC MECHANICAL ENGINEERING - PRACTICAL 705-705-805 EMPLOYABILITY SKILLS 775-776-875
2972	+1	MATHEMATICS 141-NIL-241 BASIC ELECTRICAL ENGINEERING THEORY 307-NIL-407	BASIC ELECTRICAL ENGINEERING - PRACTICAL 311-311-411 EMPLOYABILITY SKILLS 375-376-475
2972	+2	MATHEMATICS 541-NIL-641 BASIC ELECTRICAL ENGINEERING THEORY 707-NIL-807	BASIC ELECTRICAL ENGINEERING - PRACTICAL 711-711-811 EMPLOYABILITY SKILLS 775-776-875
2973	+1	MATHEMATICS 141-NIL-241 BASIC ELECTRONICS ENGINEERING THEORY 313-NIL-413	BASIC ELECTRONICS ENGINEERING - PRACTICAL 315-315-415 EMPLOYABILITY SKILLS 375-376-475
2973	+2	MATHEMATICS 541-NIL-641 BASIC ELECTRONICS ENGINEERING THEORY 713-NIL-813	BASIC ELECTRONICS ENGINEERING - PRACTICAL 715-715-815 EMPLOYABILITY SKILLS 775-776-875
2974	+1	MATHEMATICS 141-NIL-241 BASIC CIVIL ENGINEERING THEORY 319-NIL-419	BASIC CIVIL ENGINEERING - PRACTICAL 321-NIL-421 EMPLOYABILITY SKILLS 375-376-475
2974	+2	MATHEMATICS 541-NIL-641 BASIC CIVIL ENGINEERING THEORY 719-NIL-819	BASIC CIVIL ENGINEERING - PRACTICAL 721-721-821 EMPLOYABILITY SKILLS 775-776-875
2975	+1	MATHEMATICS 141-NIL-241 BASIC AUTOMOBILE ENGINEERING THEORY 325-NIL-425	BASIC AUTOMOBILE ENGINEERING - PRACTICAL 327-327-427 EMPLOYABILITY SKILLS 375-376-475
2975	+2	MATHEMATICS 541-NIL-641 BASIC AUTOMOBILE ENGINEERING THEORY 725-NIL-825	BASIC AUTOMOBILE ENGINEERING - PRACTICAL 727-727-827 EMPLOYABILITY SKILLS 775-776-875
2976	+1	MATHEMATICS 141-NIL-241 TEXTILE TECHNOLOGY THEORY 331-NIL-431	TEXTILE TECHNOLOGY - PRACTICAL 333-333-433 EMPLOYABILITY SKILLS 375-376-475
2976	+2	MATHEMATICS 541-NIL-641 TEXTILE TECHNOLOGY THEORY 731-NIL-831	TEXTILE TECHNOLOGY - PRACTICAL 733-733-833 EMPLOYABILITY SKILLS 775-776-875
2977	+1	BIOLOGY 109-110-209 NURSING - THEORY (VOCATIONAL) 351-NIL-451	NURSING - PRACTICAL (VOCATIONAL) 353-353-453 EMPLOYABILITY SKILLS 375-376-475
2977	+2	BIOLOGY 509-510-609 NURSING - THEORY (VOCATIONAL) 751-NIL-851	NURSING - PRACTICAL (VOCATIONAL) 753-753-853 EMPLOYABILITY SKILLS 775-776-875
2978	+1	HOME SCIENCE 143-144-243 TEXTILES AND DRESS DESIGNING - THEORY 361-NIL-461	TEXTILES AND DRESS DESIGNING - PRACTICAL 363-363-463 EMPLOYABILITY SKILLS 375-376-475
2978	+2	HOME SCIENCE 543-544-643 TEXTILES AND DRESS DESIGNING - THEORY 761-NIL-861	TEXTILES AND DRESS DESIGNING - PRACTICAL 763-763-863 EMPLOYABILITY SKILLS 775-776-875
2979	+1	HOME SCIENCE 143-144-243 FOOD SERVICE MANAGEMENT - THEORY 367-NIL-467	FOOD SERVICE MANAGEMENT - PRACTICAL 369-369-469 EMPLOYABILITY SKILLS 375-376-475
2979	+2	HOME SCIENCE 543-544-643 FOOD SERVICE MANAGEMENT - THEORY 767-NIL-867	FOOD SERVICE MANAGEMENT - PRACTICAL 769-769-869 EMPLOYABILITY SKILLS 775-776-875
2980	+1	BIOLOGY 109-110-209 EMPLOYABILITY SKILLS 375-376-475	AGRICULTURAL SCIENCE- THEORY 381-NIL-481 AGRICULTURAL SCIENCE- PRACTICAL 383-383-483
2980	+2	BIOLOGY 509-510-609 EMPLOYABILITY SKILLS 775-776-875	AGRICULTURAL SCIENCE- THEORY 781-NIL-881 AGRICULTURAL SCIENCE- PRACTICAL 783-783-883
2981	+1	COMMERCE 155-NIL-255 ACCOUNTANCY 157-NIL-257	OFFICE MANAGEMENT AND SECRETARYSHIP - THEORY 387-NIL-487 TYPOGRAPHY AND COMPUTER APPLICATIONS - PRACTICAL 389-389-489
2981	+2	COMMERCE 555-NIL-655 ACCOUNTANCY 557-NIL-657	OFFICE MANAGEMENT AND SECRETARYSHIP 787-NIL-887 TYPOGRAPHY AND COMPUTER APPLICATIONS - PRACTICAL 789-789-889
2982	+1	COMMERCE 155-NIL-255 ACCOUNTANCY 157-NIL-257	AUDITING - PRACTICAL 399-399-499 EMPLOYABILITY SKILLS 375-376-475
2982	+2	COMMERCE 555-NIL-655 ACCOUNTANCY 557-NIL-657	AUDITING - PRACTICAL 799-799-899 EMPLOYABILITY SKILLS 775-776-875