Shyam Chawla Tiiffin Services: If its authentic vegetarian Punjabi food you crave in this swarming metropolis, pick up the phone and speak to Shyam Chawla. For the last 12 years, Shyam Chawla and his wife, Poonam Chawla, have prepared and shared the most delicious, home-made vegetarian Punjabi food. A typical tiffin dabba contains a dal, a subzi, chawal, and a sweet. Mrs Chawla does all the cooking herself, and makes sure that theres a new menu every day, except on Sundays, her only day off. At Rs 40 per tiffin, with the famed dabbawalas delivering, youre certainly getting your moneys worth.