From the Times of India today, national laws, such as the Contract Labour Act, the Building and Other Construction Workers Act and the Inter-State Migrants Act, have childcare provisions for women working in construction. Mobile Creches have been available on some large construction sites since 1969. However, many women work on small jobs that are not covered by the law and where there are no childcare options. Parents are left to tie their small children nearby to keep them safe.

http://timesofindia.indiatimes.com/city/delhi/Why-toddlers-are-on-a-leash-in-Delhi/articleshow/48979555.cms