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Puttenahalli Neighbourhood Lake Improvement Trust (PNLIT) was formed with the goal of transforming the lake into a place of serenity for humans, a secure habitat for birds and other forms of life, and a source of water regeneration. In 2011, PNLIT signed an MOU with Bruhat Bangalore Mahanagara Palike (BBMP) for lake restoration & officially maintaining the lake.

Major activities are:

• Till date, more than 300 fruit-yielding, flowering and shade-providing tree saplings have been planted and are carefully chosen to attract birds and butterflies. The pressure is high to ensure that the plants receive enough water to sustain through dry summer months as butterflies and other insects thrive in the butterfly garden. A simple bottle drip irrigation method is initiated and implemented in several places in the lake area.
• To manage the weeds that would otherwise threaten the lake and the life it supports, PNLIT undertakes regular deweeding. With the support of the Karnataka State Pollution Control Board (KSPCB) and volunteers, a pre-monsoon cleaning of the lake bed was done.
• PNLIT conducts a weekend program which encourages people from the neighbourhood and also from other parts of the city to help at the lake. The Corporate Volunteer Program enables corporates who are governed by the mandatory CSR norms to meet some of their CSR obligations.
• PNLIT organizes educational and cultural programs; the first program held at Puttenahalli Lake was a bird watching session, in Sept 2011. Since then, the lake has seen a variety of events for both children and adults including guided nature walks, school-organised nature walks, birthday tours, workshops of various kinds, story-telling sessions, awareness talks, science festivals, art-craft sessions, etc.
• PNLIT’s Teach Program is managed by volunteers who live in the lake vicinity, where underprivileged children living near the lake have been getting special coaching in subjects like English and Computer Science, among others, free of cost.
• PNLIT merchandise like cloth bags, T-shirts, tea coasters, wristbands, calendars, photo frames, postcards, recycled magnets and keychains is available for those who wish to support PNLIT’s lake saving efforts.