Tender For restoration and rehabilitation works comprising structural repair of rcc elements, improvement of external plaster using polymer-modified fibre, painting, roof grading with proper slope correction and replacement of damaged sewer lines at ic block, sector-iii, salt lake, kolkata during 2025-26 for one type-ii residential block ( qtrs. no. 753-768, total 16 nos.) and one type-iv residential block (qtrs. no.921-936, total 16 nos.)