When Rati Chaudhary was looking for an apartment in Bandra, Mumbai, a few years ago, she was certain of one thing — that the house should have a balcony. I spend hours working from the balcony now; my daughter and I have picnics here, soaking in sunshine and fresh air,” says Rati. Mahima Chawla, founder of Gurugram-based company Balcony Makeovers, …