SVKM's Shri Bhagubhai Mafatlal Polytechnic, Mumbai

Yes U can pursue diploma in civil engg after SSC.
In Shri Bhagubhai Maftalal College eligibility criteria is
(1) Maharashtra State Candidature Candidate.-
(i) The Candidate should be an Indian National;
(ii) Passed SSC or its equivalent examination from recognized institution with at least 35% aggregate
marks.
(iii) Candidates who have passed Maths/ Mathematics (code 71 for Maharashtra State Board) and Science
& Technology (code 72 for Maharashtra State Board) are only eligible for admission.
(2) All India Candidature Candidates/ Jammu and Kashmir Migrant Candidature Candidates/
Government of India Nominee Candidates.-
(i) The Candidate should be an Indian National;
(ii) Passed SSC or its equivalent examination from recognized institution with at least 35% aggregate
marks.
(iii) Candidates who have passed Maths/ Mathematics (code 71 for Maharashtra State Board) and Science
& Technology (code 72 for Maharashtra State Board) are only eligible for admission.
(3) Minority Candidates.-
(i) The Candidate should be an Indian National;
(ii) Passed SSC or its equivalent examination from recognized institution with at least 35% aggregate
marks.
(iii) Candidates who have passed Maths/ Mathematics (code 71 for Maharashtra State Board) and
Science & Technology (code 72 for Maharashtra State Board) are only eligible for admission.
(iv) Candidate must be Maharashtra Domiciled and belonging to particular linguistic or religious
minority community (Muslim/ Buddhist/ Christian/ Shikh/ Parsi/ Jain) from with in the state and as
notified by the Government.
Hope this helps you.
All the best for ur bright future!!