DTU - Delhi Technological University

You might be able to get admission into DTU with a 71 percentile in JEE Mains, 60% in your 12th grade, and from the SC category. Some key points related to eligibility:
Eligibility: To seek admission to B.Tech in DTU, one has to have passed Class 12 with aggregate percentage not less than 60%. The combination is PCM, however for SC students, there is relaxation and often the minimum percentage is considered.
JEE Mains Score: Admissions are mainly offered based on the scores of JEE Mains, which will be considered by the JAC Delhi counseling process. Your 71 percentile would be competitive for some streams, so ensure to see the precise cutoffs for this year.
Counselling Process: It will book only a seat after you participate in the counseling process of JAC Delhi. The final admission will be according to the rank you have, and there are also seats available in the branch you want to pursue.

With your All India Rank of 25558 and with the latest cutoff trends in B.Tech programs, here is how it pans out for you:
IGDTUW (Indira Gandhi Delhi Technical University for Women)
CSE Cutoff: The last round closing rank for B.Tech in Computer Science and Engineering (CSE) at IGDTUW was around 25613 for the general category.
Admit Chance: Since your AIR is 25558, you shall certainly get into CSE of IGDTUW. Your rank is just well within the bracket.
DTU (Delhi Technological University)
ECE Closing Rank : The cut-off rank to get a B.Tech in ECE at DTU came in at 6406. For General Category,
Admit Chance: Using the AIR that you've acquired, the probability of ECE at DTU won't be likely since it far exceeds the closing ranks.

To be qualified to take B.Tech programs at Delhi Technological University (DTU), any candidate must meet any one of the following conditions:.

1. Academic Qualifications: The candidate must have passed the 10+2 or equivalent examination with an aggregate score of 60% in PCM subjects.

2. English Proficiency: The candidate should have passed in English as a subject (core or elective) in the qualifying examination.

3. Entrance Exam: Valid score in JEE Main since DTU admissions are done strictly based on ranks in the main JEE.

This score is not a guarantee, as the selection process is through a competitive exam basis as well as JEE MAIN performance.

For taking the Common University Entrance Test (CUET) - PG entrance exam, candidates must apply through the National Testing Agency (NTA) to be considered for admission to the Master of Science (M.Sc) programme in Chemistry at Delhi Technological University (DTU).

Following the submission of their scores, candidates will fill out another specific registration form for the M.Sc. programme at DTU, which will be published around the same time as the CUET PG results.

Further, all aspiring candidates are advised to keep a tab on the official DTU website to know more about the admission process.

The portal for registration and other details can be found on the official website of DTU: 

You will surely benefit from your home state quota and OBC NCL for admission to DTU via JEE Mains. Home state quota is the admission of those students whose 12th grade they have done in that respective state. Preference is provided to the candidates during their admissions, and they get lower ranks compared to others in the case of home-state quota admissions. In the case of an OBC-NCL, he will benefit from the reservation through quotas, which is, as defined, a percentage of seats reserved for the exclusive advantage of the OBC candidates. If you are eligible under both quotas, you benefit at the same time through them during the admission procedure. 

Yes, if you passed 10th from Maharashtra but 11th and 12th from Delhi, you may be eligible for the Delhi quota at Delhi Technological University (DTU)

Eligibility 

To be eligible for the Delhi quota at DTU, you must pass the qualifying exam from a recognised school or college in the National Capital Territory (NCT) of Delhi. 

Supporting documents

You may need to provide a certificate from the Deputy Commissioner of Delhi or other competent authority to support your claim. 

DTU accepts several entrance exams for admission to most of its programs, including UCEED, GATE, CAT, MAT, and CMAT. For admission to the BTech program, DTU uses JEE Main scores and JAC Delhi conducts the counseling process. 

If you make a mistake while filling out the DTU application form, contact the admissions office right away to explain the error and see if they can correct it before the deadline; depending on the severity of the error, you may be able to edit the form directly, or you may need to submit a correction request with supporting documents. 
Key Steps to Take:
Identify the mistake.
Examine your application form thoroughly to determine the exact error you committed.
Contact the admissions office.
Contact the DTU admissions department using their designated means (phone, email) and clearly explain your mistake.
Provide supporting documentation:
Prepare any required papers to support your claim, such as scanned copies of appropriate certifications or mark.