Celebrating the Akshaya Tritiya season, the brand has unveiled all-new designs, pre-booking offer & 25% off on making charges. Kolkata : Kalyan Jewellers, one of India’s largest and most-trusted jewellery brand, today kickstarted it's Akshaya Tritiya celebrations in Kolkata in a unique style, with brand ambassador Ritabhari Chakraborty launching the new line of jewellery at…