While there was no national two-child policy in India as of early 2020, there were local laws.
National policy for children in India
Population management and Two Child policy
Not just Uttar Pradesh, these states also have two-child policy
Does India need a two child policy? - Quora
IZA World of Labor - How does the one child policy impact social
The Pros of a Child Limit in India – Should India implement a child limit?
Two Child Policy – Working for Population Control
Petition for 2-child policy filed in Apex Court
The Arya Samaj Article : Alarming time to look beyond the one-child policy In India
A Two-Child Policy Won't Take India Closer to 'Vikas
Why can't India implement a one/two-children policy like China's one-child policy to reduce the population growth? - Quora
China's one-child policy reversal cautiously welcomed - BBC News
India's Most Populous State Seeks To Promote Two-child Policy
One-Child Policy EMPOWER IAS