Delhi

Tushar both the colleges are good to pursue MBA. For better clarity you can talk to the current student. As far as the specialization is concerned you can opt for any as both have bright future.
MBA in Sales and Marketing is the oldest and an all-time favorite specialization of MBA students. With high demands and increased consumption of various products, it is important to take care of availability across the country. This process is managed and organised by Sales & Marketing professionals.
These students must have excellent communication skills. Also they must be creative and should be able to influence people with their thinking.
https://www.shiksha.com/highest-paying-mba-specialisation-in-2013-sales-marketing-still-a-hot-favourite-article-8097-1
International business management is one such career course that offers ample scope for career in international and transnational corporations. Candidates after completing the course may search for jobs available in the export companies, public sector houses, international banks and companies having subsidiaries in other countries. Most of the companies offer handsome salary packages along with other lucrative facilities.

Please find the details of admission for M.SC chemistry course in DEHI UNIVERSITY:
Eligibility:
B.Sc. (Hons.) Chemistry (3 years course after 10+2) from Delhi University or any other University whose examination is recognized as equivalent to University of Delhi and fulfill other conditions of eligibility.
B.Sc. (Hons.) Chemistry with 50% or above marks in aggregate and 50% or above marks in Chemistry. Candidate must have passed 10+2 (Senior Secondary) or equivalent examination recognized by the University of Delhi and B.Sc. (Hons.) Chemistry examination with Mathematics as one of the subjects.
OR
B.Sc. (Genl.)/B.Sc. (Pass)/B.Sc. (Prog.) (3 years course after 10+2) from Delhi University or any other University whose examinations are recognized as equivalent to Delhi University and fulfill other conditions of eligibility.
B.Sc. (Gen./Programme) with 60% or above marks in aggregate and 60% or above marks in Chemistry. Candidate must have passed 10+2 (Senior Secondary) or equivalent examination recognized by the University of Delhi and B.Sc. (Genl.)/B.Sc. (Pass)/B.Sc. (Prog.) examination with Mathematics as one of the Subjects.
Duration of Course: Three years
Total number of students to be admitted: Twenty
Eligibility criteria for admission:
1. 50% Seats, i.e. 10 seats will be filled up on the basis of merit based on marks obtained by the candidates who have secured 60% or above marks in aggregate and 60% or above marks in Chemistry in B.Sc. (Hons.) courses examination from University of Delhi.
2. Remaining 50% seats, i.e. 10 seats will be filled up on the basis of merit based on marks obtained by the candidate in the entrance test to M.Tech. [CSPT] admission, conducted by the Department of Chemistry, University of Delhi, Delhi.
3. In addition to having passed B.Sc.(Hons.) the candidates seeking admission to M. Tech. course should have passed 10+2 (senior secondary) or equivalent examination recognized by the University of Delhi with Mathematics as one of the subjects.
4. Mode / Method of admission:- Out of 20 (Twenty) seats, 10 seats will be filled up on the basis of merit based on marks obtained by the candidates who have secured 60% or above marks in aggregate and 60% or above marks in Chemistry in B.Sc. (Hons.) courses examination from University of Delhi and 10 seats will be filled up on the basis of merit based on marks obtained by the candidate in the Entrance test to M.Tech. Admission, conducted by the Department of Chemistry, University.