When chef-restaurateur Doug Katz, of Fire Food & Drink (13220 Shaker Square) wanted to craft an authentic Indian feast, he needed only look to his friend and talented home cook Radhika Rajwade. Now, Rajwade has earned a major promotion – to the position of Fire’s guest chef, where she will preside over a $65, seven-course celebration on Thursday, February 28, featuring everything from fried fish, tandoori-baked paneer, and naan with garlic butter, to kheer, mango lassi, and masala chai. …