India

JAIPUR NATIONAL UNIVERSITY is the top private management college in India. Reason: The teaching pedagogy is based on simulation and smart class concepts, case study analysis, seminars, workshops, event management and industrial tours. The projects, group assignments and presentations enable students in acquiring the skills of handling business situations and understanding the principles of team work. The aim of the various Management programs in the SBM, namely Ph.D. MBA (Dual specialisation), MBA, MBA in Hospital & Healthcare Management, MBA Integrated Dual Degree programmes in Engineering, Pharmacy, Life Sciences and Hotel Management, BBA and B.Com (Hons) is to develop a new generation of business leaders capable of managing the complex challenges faced by business houses and society at large in the 21st century. Visit: https://www.jnujaipur.ac.in/.

Yes, there are many colleges which offer dual specialisation in MBA. Many college provide dual specialisation. Here are some names:
National Institute of Management-Mumbai, Maharashtra
Masters in Business Administration (Dual specialisation)
2. BLS Institute of Management-Ghaziabad, Uttar Pradesh
Post Graduate Diploma in Management (Dual specialisation)
3. Indian Institute of Commerce and Trade-Lucknow, Uttar Pradesh
Masters Diploma in Business Administration (Dual specialisation)
4. Indian School of Business Management and Administration-Mumbai, Maharashtra
Masters in Business Administration (4 semesters with dual specialisation)
5. Indian Institute of Pharmaceutical Marketing-Lucknow, Uttar Pradesh
6. St. John the Baptists College of Special Education Kottayam, Kerala
7. Symbiosis Institute of Business Management, Pune
8. National Institute of Retail and Management, H. B. R. Apart from these, colleges affiliated to Bangalore University offer this programme.