All the eight major metros recorded an increase in the index on an annual basis — Ahmedabad (13.5 per cent), Bengaluru (3.4 per cent), Chennai (12.5 per cent), Delhi (7.5 per cent), Hyderabad (11.5 per cent), Kolkata (6.1 per cent), Mumbai (2.9 per cent) and Pune (3.6 per cent), National…