Vijya ,

The last year closing ranks for SC category in AIR for DTU was. 

A) Delhi Region

 Bio-Technology 381521

 Civil Engineering 191081

 Computer Engineering 94023

 Electrical Engineering 221626

Electronics and Communication Engineering 170923

Engineering Physics 323199

 Environmental Engineering 410407

 Information Technology 129258

 Mathematics and Computing 201436

 Mechanical Engineering 221774

 Mechanical Engineering with Specialization in Automotive 238186

 Polymer Science and Chemical Technology 370653

 Production and Industrial Engineering 416351

 Software Engineering 145338

B) Outside Delhi Region

 Bio-Technology 144231

 Civil Engineering 91252

Computer Engineering 42989

 Electrical Engineering 115670

 Electronics and Communication Engineering 103497

Engineering Physics 136719

Environmental Engineering 158559

 Information Technology 79183

 Mathematics and Computing 85577

 Mechanical Engineering 103513

 Mechanical Engineering with Specialization in Automotive 118140

 Polymer Science and Chemical Technology 156151

Production and Industrial Engineering 159897

Software Engineering 78472

Check if your(All India Rank) <= closing rank. 

Hope I helped you!!