Maintenance of Arboriculture & gardens within the compound of Biodiversity park at back side of street no. 37, Green verge of plot no. AC 93/9 at street no. 32, AC park at back side of Coal bhavan and Mohisgot pond at Tarulia all are adjacent to new town action area -I under New town Kolkata development authority fo a period of 24 (twenty four) months